phenylketonuria is an inherites disease caused by a recessive allele. is a women and her husband who are both carriers, have a child, what is the probability of having a child that does not express pku?
Answers
The probability of having a child that does not express PKU when the women and her husband both are carriers will be 25 %.
PKU is a genetic disease where the levels of phenylketonuria are high in the blood of the affected person. This happens due to the mutation in the phenylalanine hydroxylase (PAH) gene. The gene is responsible for the breakdown of the phenylalanine in the body.
Carriers are the heterozygous individuals that carry one dominant and one recessive allele for the trait. When two heterozygous individuals cross the probability of offspring having homozygous recessive or dominant genotype is 25 % for each. While the probability of obtaining heterozygotes is 50%.
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Related Questions
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Someone is leaving feathers for Kya on a stump in a clearing. The first is a
blue heron feather, the second is a long white tail feather. The third is a
turkey feather. The turkey feather reminds her of the day she saw a flock
of turkeys peck and scratch one of their own hens to death. Which one of
the following themes is suggested by this analogy?
A. Coming to age in a time of controversy molds that person for the rest of their life.
B. Avoid judging others too severely because we are all more alike than different.
C. Treat others as you would like to be treated.
D. Being different can result in ostracism or expulsion from a community, or even
death.
Answers
When electricity fails, which device allows you to use your gadgets? A (Alternator/power transformer/transfer switch) is responsible for allowing your gadgets to run on power from your (Generators/inverter/power transformer) when electricity fails.
Answers
When electricity fails, an inverter is the device responsible for allowing you to use your gadgets by converting the direct current (DC) power from a battery or generator into alternating current (AC) power.
What is an inverterAn inverter is commonly used as a backup power source during electrical outages. It takes the DC power and transforms it into the AC power needed to operate electronic devices such as gadgets, appliances, and other electrical equipment. The inverter allows you to continue using your gadgets by providing them with the necessary power when the main electricity supply is unavailable.
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Are all types of
bacteria
harmful? Explain.
The Science Duo
Answers
Answer:
No
Explanation:
There are muliple types of bacteria that helps the human body there are also bacterias that help fish and other animals.
HELP DUE IN 10 MINS!
What type of mutation is shown?
inversion
translocation
deletion
duplication
Answers
This is an inversion.
The section of chromosome has been reversed end to end.
Answer:
I think its B. translocation
Which model shows how an image appears to a person when they look through a concave lens
Answers
Answer:
A
Explanation:
Object appears smaller to the eye
Model A shows how an image appears to a person when they look through a concave lens.
What is a concave lens?A concave lens is a type of optical lens that has a curved inward surface, causing light rays to diverge after passing through it. It is also sometimes called a diverging lens. The opposite of a concave lens is a convex lens, which has a curved outward surface and causes light rays to converge.
In optics, the shape of a lens determines how it affects the path of light rays passing through it. A concave lens spreads out light rays, making them diverge, and the resulting image is usually smaller, inverted, and appears to be located behind the lens. Concave lenses are often used in applications where it is necessary to reduce the size of an image, such as in microscopes, cameras, and other optical devices.
It's important to note that the properties of a concave lens depend on its size and shape, as well as the distance of the object from the lens and the type of light being used. By manipulating these parameters, engineers and scientists can design concave lenses with specific optical properties for different applications.
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1. The cestodes or tapeworms have a complex life cycle in which____ are released and pass out of human host in feces. Intermediate host like farm animals become infected via contaminated food and-or water. Humans become host again by consuming ____.
A. proglottids; larvae in undecooked meat
B. fertilized eggs; mature worms in undercooked meat
C. larvae; mature worms in undercooked meat
D. Proglottiids; mature worms in undercooked meat
Answers
Tapeworms have a life cycle in which proglottids are released in feces, farm animals become infected by consuming contaminated food or water, and humans become hosts again by consuming undercooked meat containing larvae. The correct answer to the question is: A. proglottids; larvae in undercooked meat.
The cestodes, also known as tapeworms, have a complex life cycle. In this life cycle, proglottids or segments of the tapeworm are released from the human host and passed out in feces. These proglottids contain fertilized eggs. The intermediate host, such as farm animals, can become infected by ingesting contaminated food or water that contains these eggs. Once inside the intermediate host, the eggs develop into larvae.
Humans can become hosts again by consuming undercooked meat that contains the mature worms. When a person consumes the undercooked meat, the larvae from the meat will develop into mature worms inside their intestines, completing the life cycle of the tapeworm.
The proglottids, containing the fertilized eggs, are released from the human host and passed out in feces. The intermediate host, such as farm animals, become infected by consuming contaminated food or water that contains these proglottids. Humans become hosts again by consuming undercooked meat that contains the larvae. The larvae then develop into mature worms in the human intestines.
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will give BRAINLIEST
question is in the pic
Answers
Plants:
1. Most plants respond to the environment by growing towards the light.
2. Plants respond to daily and seasonal cycles and diseases.
Flatworms:
1. Flatworms respond to changes in light.
2. Flatworms adapt to marine life by using diffusion to breathe and to distribute nutrients to other parts of the body.
Humans:
1. The nervous system allows an organism to respond quickly to changes in the internal or external environment.
2. Some humans modify the environment (positively or negatively), such as cutting forests, building dams, and expanding urban areas, etc.
Electromagnetic induction portfolio 3
A group of students want to prove to someone that electromatic induction exist this person won't accept anything that the person cannot see the group designed and investigation to show and prove to the person the electric induction exist is there a testable question to this
Answers
One trial Faraday did to show cute enlistment was to move a bar magnet through a wire curl and measure the subsequent electric flow via the wire. He discovered that only when the magnet moves in relation to the coil does current arise.
The generation of an electromotive force across a conductor when it is subjected to a fluctuating magnetic field is known as electromagnetic induction. Experiment: Two distinct coils of copper wire, each with 50 and 100 turns, respectively, are utilized.
Maxwell's waves were clearly demonstrated by Heinrich Hertz's 1888 creation of radio waves, verification that these waves travel at the same speed as visible light, and measurements of their reflection, refraction, diffraction, and polarization properties.
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Which process involves TWO DNA divisions?
A. Mitosis
B. Meiosis
Answers
Answer:
b) meiosis
Explanation:
Answer:
B. Meiosis
Explanation:
Meiosis involves two DNA divisions.
Which feature of the model represents stored chemical energy
Answers
The sugar molecule represents the most stored chemical energy. Thus, the correct answer is Option B.
Sugar (glucose, C₆H₁₂O₆) is a biological molecule that stores energy in its chemical bonds, not the molecule that initiates the process of cellular respiration During cellular respiration, glucose is broken down in a series of chemical reactions to produce energy ATP (adenosine triphosphate).
The process of cellular respiration begins at the stage of glycolysis, where glucose in the cytoplasm of the cell is partially broken down into pyruvate molecules and then the pyruvate molecules are broken down again in the presence or production of oxygen (aerobic respiration). fermentation in the absence of oxygen depending on whether oxygen is present
During aerobic respiration, pyruvate enters mitochondria and undergoes the citric acid cycle (also known as the Krebs cycle) and the electron transport chain These processes release energy from glucose chemical bonds to produce more ATP.
Therefore, sugar (glucose), although it stores energy in its chemical bonds, is not the molecule that initiates cellular respiration. Instead, during cell respiration, glucose is broken down and energy is released in the form of ATP.
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Complete question:
Which feature of the model represents the most stored chemical energy?
A. The oxygen gas molecule
B. The sugar molecule
C. The water molecule
D. The carbon dioxide molecule
The pathogenesis of pneumonia includes the inhalation of microbial agents and the resulting of which of the following? (Select all that apply.) Inflammation Lung consolidation Formation of exudates Alveolar wall thickening Decreased lung compliance
Answers
Answer:
Inflammation
Lung consolidation
Formation of exudates
Explanation:
Pneumonia could be caused by Bacteria, viruses, and fungi. The air sacs are usually affected and characterized by presence of pus in the sacs. It could be serious and life threatening and can be treated with antibiotics.
The pathogenesis of pneumonia includes the inhalation of microbial agents, Inflammation , Lung consolidation and Formation of exudates.
when humans place grass clippings and other yard waste in landfills they are most directly interfering with the natural process of
Answers
Answer:
ok, here is your answer
Explanation:
When humans place grass clippings and other yard waste in landfills, they are directly interfering with the natural process of decomposition.
Explanation:
Decomposition is a natural process that breaks down organic matter into simpler compounds, such as carbon dioxide, water, and nutrients. This process is carried out by microorganisms, such as bacteria, fungi, and actinomycetes. These microorganisms require oxygen, moisture, and nutrients to break down organic matter effectively.
When grass clippings and other yard waste are placed in landfills, the waste is prevented from decomposing properly. Landfills are designed to isolate waste from the surrounding environment, and they are often compacted to reduce the volume of waste. This compaction reduces the amount of oxygen that is available to microorganisms, making it difficult for them to decompose organic matter effectively. Additionally, the lack of moisture and nutrients in landfills further hinders the decomposition process.
As a result, grass clippings and other yard waste that are placed in landfills take much longer to decompose and can contribute to the production of methane gas, which is a potent greenhouse gas that contributes to climate change. Instead of placing yard waste in landfills, it is better to compost them. Composting provides the necessary conditions for microorganisms to decompose organic matter effectively and results in a nutrient-rich material that can be used to improve soil health.
mark me as brainliestUses energy to pump H+ across a membrane; energy is moved through a chain of proteins. please help
Answers
Answer:
energy
Explanation:
energy is used to pump hydrogen ions across the mitochondrial inner membrane, from the matrix into the intermembrane space
In humans, the ability to roll up the sides of the tongue into a U-shape is controlled by one gene. Ability to roll the tongue is dominant to the inability to roll it. If two people who can roll their tongues each had one parent who could not, what is the probability that they will have a child who cannot roll his/her tongue
Answers
Answer:
25%
Explanation:
male
can roll tongue - cannot roll tongue
female
can roll tongue - cannot roll tongue
If they have a child, the possible combinations are:
1)
father's gene: can roll tongue
mother's gene: can roll tongue
RESULT = THE CHILD WILL BE ABLE TO ROLL HIS/HER TONGUE
2)
father's gene: can roll tongue
mother's gene: cannot roll tongue
RESULT = THE CHILD WILL BE ABLE TO ROLL HIS/HER TONGUE
3)
father's gene: cannot roll tongue
mother's gene: can roll tongue
RESULT = THE CHILD WILL BE ABLE TO ROLL HIS/HER TONGUE
4)
father's gene: cannot roll tongue
mother's gene: cannot roll tongue
RESULT = THE CHILD WILL NOT BE ABLE TO ROLL HIS/HER TONGUE
what is the main prerequisite for clearance at the g2 checkpoint?
Answers
The main prerequisite for clearance at the G2 checkpoint is DNA damage repair.
In general , G2 checkpoint takes in the cell cycle after DNA replication has occurred during S phase. During the G2 checkpoint, the cell checks for any DNA damage that have occurred during replication, it can be double-stranded bond breaks or any structural and functional changes.
Hence, If the cell detects DNA damage at the G2 checkpoint, it usually activates cell cycle arrest and DNA repair mechanisms to fix the damage before the stage of mitosis. It is one of the most important steps to prevent the transmission of damaged DNA to daughter cells, that can result in genetic instability or even mutations.
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when two or more species sharing a common ancestor become more different over time
Answers
Divergent evolution: When two creatures with a shared ancestor develop into separate species, this process is known as divergent evolution.
For instance, mice and bats have a recent common ancestor, yet divergent evolution has created two completely distinct species from each other. The process through which interbreeding organisms separated into two or more evolutionary groupings is known as divergent evolution.
It implies that these species formerly shared traits and were connected. Yet as time passed, the differences between them grew more. Several species descended from a single ancestral population through the process of speciation, which is known as common descent. The closer two species are linked, the more recent the ancestral population that they share.
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Correct Question :
What happens when two or more species sharing a common ancestor become more different over time.
somebody help. . can someone please tell me the types of layering in root establishment in plants?.
Answers
Answer:
Layering can be used to multiply many of your favorite plants now growing around your yard and in your home. There are six common types of layering: air, simple, tip, trench, serpentine and mound. Air and simple layering are the most popular types
Explanation:
PLZ MARK AS BRAINLIEST
Answer:
The answer above me is correct
1.Which of the radiations does the atmosphere in turn radiate into space and back toward the ground
A UV radiation
B. Visible light
C. IR radiation
D. Microwave radiation
Answers
The earth-atmosphere energy balance is the balance between incoming energy from the Sun and outgoing energy from the Earth. Energy released from the Sun is emitted as shortwave light and ultraviolet energy. When it reaches the Earth, some is reflected back to space by clouds, some is absorbed by the atmosphere, and some is absorbed at the Earth's surface.
Question 3
When dissolved in water, many bases release which of the following particles?
Select one:
a. Htions
lil
b. H2 molecules
C. (OH) ions
DE
d. O molecules
CLE
Answers
Bases release OH- ions in solutions, whereas Acids release H+ ions in solutions
Can you please answer the reason behind it? why we can't give epidosin medicine when we have this condition please explain for each of them briefly
-Cardiovascular system disorder
-Multipara and grandmultipara
-Myasthenia gravis
Answers
Epidosin is a medicine that is primarily used during childbirth to induce labor. It has certain contraindications, which means that it is not recommended to use epidural anesthesia for patients who have cardiovascular system disorders, myasthenia gravis, and multipara and grand multipara.
Let's discuss each of these in detail below:
Cardiovascular System Disorder:
The cardiovascular system is one of the most vital organs in the human body. Evidently, any kind of disorder in this system is a severe medical condition that demands prompt medical attention. The primary concern with using epidural anesthesia in patients with cardiovascular disorders is the potential risks of hypotension. Hypotension is a prevalent and well-documented side effect of epidural anesthesia. Hypotension can cause reduced oxygen supply to vital organs, which can lead to life-threatening complications.
Multipara and Grandmultipara:
A multipara refers to a woman who has delivered two or more babies in the past. A grandmultipara, on the other hand, refers to a woman who has delivered five or more babies. Women who fall under these categories have a higher risk of developing complications during childbirth, which can be severe in some cases. One of the primary concerns with using epidural anesthesia is that it may cause hypotension, which can be life-threatening in patients with a high-risk pregnancy.
Myasthenia Gravis:
Myasthenia gravis is an autoimmune disorder that affects the neuromuscular junction. The neuromuscular junction is the site where the nerve endings meet the muscle fibers. This disorder can cause muscle weakness, fatigue, and difficulties with breathing. Patients with myasthenia gravis may not respond well to epidural anesthesia and may require other forms of anesthesia. Furthermore, the use of epidural anesthesia can worsen the symptoms of myasthenia gravis, which can lead to severe complications.
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drugs and nutrients share similar enzyme systems in the small intestine and the liver. which medicine increases the enzymes that metabolize folate, vitamin d, and vitamin k, thus requiring possible supplementation of these nutrients?
Answers
Phenobarbital is the medicine that increases the enzymes that metabolize folate, vitamin d, and vitamin k, thus requiring possible supplementation of these nutrients.
What are enzymes?Enzymes are described as proteins that act as biological catalysts by accelerating chemical reactions.
The molecules upon which enzymes may act are known as substrates, and the enzyme converts the substrates into different molecules known as products.
phenobarbital is recommended by the World Health Organization for the treatment of certain types of epilepsy in developing countries around the world.
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What other organ in Mrs. Fender's right upper quadrant, besides the liver, must be considered when investigating her abdominal pain
Answers
Gallbladder is investigated
what are the causes of abdominal pain?There are several possible reasons of abdominal discomfort. The most frequent reasons, such as - gas symptomsindigestionstrained muscle Other problems may necessitate immediate medical intervention.While the location and pattern of stomach discomfort might be helpful in establishing its etiology, the time course is especially helpful.Acute stomach discomfort often starts and fades within a few hours to a few days. Chronic abdominal pain can be intermittent (episodic), which means it comes and goes. This kind of agony can last for weeks, months, or even years. Some chronic illnesses generate increasing discomfort that worsens with time.To learn more about abdominal pain from the given link
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if prokaryotes are defined as single-celled organelles, which of the following would ONLY make it a prokaryotic cell
Answers
Answer
hmmm i would say a or c but i would say c
Explanation:
what are the different types of natural selection
Answers
Answer:
Types of Natural Selection:
Directional selection
Stabilizing selection
Disruptive or Diversifying selection
Kin selection
Sexual selection
Explanation:
Which term is used to describe the evidence of preexisting life found in layers of
sedimentary rock?
flora
invertebrates
fauna
fossilized
Answers
Answer: I think its fossils
Explanation:
The _________ has the most vigorous circulation because it is
caused by more intense heating from the sun.
A/. Ferrell cell
B/. subtropical jet stream
C/. polar jet stream
D/. westerlies
E/. Hadley cell
Answers
The Hadley cell has the most vigorous circulation because it is caused by more intense heating from the sun, option E is correct.
The Hadley cell is a tropical atmospheric circulation pattern that is responsible for the most vigorous circulation on Earth. It is caused by intense heating from the sun near the equator, which creates a region of low pressure. As the air rises near the equator, it moves poleward at high altitudes and then descends into the subtropics, creating a belt of high pressure.
The intense heating near the equator drives the Hadley cell and contributes to its vigorous circulation. This circulation pattern influences weather and climate in the tropics and beyond and plays a crucial role in the formation of tropical rainforests, deserts, and the trade winds, option E is correct.
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Please help with this question
Answers
Answer:
the nucleus is divided into two nuclei
Explanation:
can someon please help me understand better DNA and chromosomes etc..???
Answers
Answer:
An organism has the same chromosomes for its entire life. The chromosomes are located within each cell nucleus. They provide the directions for how the cell is supposed to function and determine some characteristics about how the individual looks. Each chromosome contains a very complex molecule called DNA.
Deoxyribonucleic acid (DNA) is an organic chemical that contains genetic information and instructions for protein synthesis. It is found in most cells of every organism. DNA is a key part of reproduction in which genetic heredity occurs through the passing down of DNA from parent or parents to offspring.
hope I helped!
Describe the relationship between DNA, chromosomes, and genes.
Answers
Genes are part of your DNA, which makes you different, and chromosomes carry DNA in cells. Also, DNA maintains your structure.
Why can an individual be a carrier but not have the disorder?A) Because it is not expressedB) Because it does not effect the individual visiblyC) Because the individual received therapy to overcome the disorderD) Because the individual received surgery to get rid of the disorder
Answers
When a genetic disorder is not manifested means that even when is coded in the genes is not expressed, this can be due to a different factor, being the main reason that is a recessive gene masqued by the healthy dominant gene. Therefore the correct answer is letter A.