if a mother is a carrier for color-blindness and her husband is not color-blind, what are the probable genotypes of the children?
Answers
The probable genotypes of the children of a parent whose mother is a carrier for color-blindness and her husband is not color-blind are: X^C X, X^C Y, XX and XY.
What is meant by genotype?Genotype simply refers to the sun total of the genetic materials or component in an organism. From the task given above, when the mother is carrying a gene for color-blindness and her husband which is a father to their children is not color-blinded atall, what this means is that there is probability that two of the children would be carrier of colour blindness and the remaining two would be normal as described above.
In conclusion, we can now confirm from the explanation given above that some of their children will carry the gene for color blindness.
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If a mother is a carrier for colorblindness and her husband is not colorblind, the probable genotype of the children would be \(X^AX^A\), \(X^AY\), \(X^AX^a\), \(X^aY\).
Monohybrid crossingColorblindness is an x-linked recessive trait. Assuming the trait is represented by a, the genotypes of a carrier mother and a colorblind-free father would be as follows:
Colorblind mother: \(X^AX^a\)
Colorblind free father: \(X^AY\)
Crossing the two parents:
\(X^AX^a\) x \(X^AY\)
\(X^AX^A\), \(X^AY\), \(X^AX^a\), \(X^aY\)
In other words, the probable genotype of the male children would be \(X^AY\) or \(X^aY\), while that of the female children would be \(X^AX^A\) or \(X^AX^a\).
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Related Questions
A homeostatic imbalance that activates these bone cells would lead to a loss of bone density.
Answers
Answer:???
Explanation:
when organisms with advantageous traits escape predation, survive and reproduce passing on their traits, this is called
Answers
Natural selection also referred to as "survival of the fittest," is the more widespread reproduction of individuals with advantageous traits who survive environmental change because of those traits.
In the course of time, this process leads to species changing and diverging. When organisms inherit traits from their parents, the process is known as heredity. Traits refer to these characteristics. Each person has a distinctive set of characteristics, which makes them all unique. Inherited traits are those that are passed from one generation to the next during fertilization.
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Bacteria use ________ to break down hydrocarbons during bioremediation, just as humans use them to digest food.
Answers
Answer:
nitrogen-fixing hydrocarbon-degrading bacteria
Explanation:
Researchers have found that using nitrogen-fixing hydrocarbon-degrading bacteria to improve the bioremediation efficiency was another good strategy instead of providing nitrogen sources (Thavasi et al., 2006).
What goes first with organ ,epithelial tissue ,epithelial cell and organ system
Answers
Epithelial tissue lines the organs of the body, including the lungs, heart, and stomach.
Is epithelium an organ system?Epithelium, endothelium, and mesothelium are three types of epithelial cell sheets that line your internal organs, and body space and form the outer layer of your skin. Epithelium generally lines alleyways that are open to the external environment, such as your respiratory area and digestive system.
Glandular epithelial tissue is also established as part of the glands, including hormone-manufacture organs like the liver, pancreas, and spleen. Epithelial tissues are widespread all around the body. They form the covering of all body surfaces.
So we can conclude that Simple epithelial tissues are normally classified by the shape of their cells.
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which of the following are true regarding the origin of replication? select all that apply. group of answer choices it serves as the start site for chromosomal replication. bacterial chromosomes tend to have more origins of replication than eukaryotic chromosomes. it serves as a site for proteins involved in dna replication to bind. it ensures that replicated chromosomes are properly segregated in daughter cells.
Answers
The following are true regarding the origin of replication: it serves as the start site for chromosomal replication. it serves as a site for proteins involved in DNA replication to bind.it ensures that replicated chromosomes are properly segregated in daughter cells.
1. It serves as the start site for chromosomal replication: The origin of replication is the specific location where DNA replication begins on a chromosome.
2. It serves as a site for proteins involved in DNA replication to bind: The origin of replication is recognized and bound by replication proteins that initiate the replication process.
The other two statements are not accurate:
- Bacterial chromosomes tend to have more origins of replication than eukaryotic chromosomes: This statement is incorrect. Bacterial chromosomes typically have a single origin of replication, while eukaryotic chromosomes have multiple origins of replication.
- It ensures that replicated chromosomes are properly segregated in daughter cells: While the origin of replication is essential for the replication process, it is not directly responsible for ensuring the proper segregation of replicated chromosomes. That is the role of the cell division machinery and associated proteins.
So, the true statements regarding the origin of replication are that it serves as the start site for chromosomal replication and as a site for proteins involved in DNA replication to bind.
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asexual reproduction results in genetically different or identical daughter cells?
Answers
Answer:
Identical daughter cells
Explanation:
Asexual reproduction is producing offsprings from 1 parent so the offspring (kid) will be identical to the parent! :)
The theory of endosymbiosis is based onA.evidence from the fossil record B.the knowledge that chloroplasts and mitochondria resemble bacteria C.similarities between chloroplasts and other organelles in animals D.the experiments in which bacteria were grown in plant cells and formed chloroplasts E.the knowledge that ribosomes are structures found in bacteria, plants, and animals
Answers
Endosymbiosis is the theory that mitochondria and chloroplasts originated as independent bacterial cells that were engulfed by another cell and began functioning as organelles within that cell.
Answer: B
What is a natural fertilizer is called?
Answers
Explanation:
manure is called natural fertilizer
what niche do you think you have in your family?
Answers
Answer:
My brother is extremely artistic and can draw and animate really well. hes the arts while im the brains. Is that a niche lol?
9. What phylum do earthworms belong to?
O Porifera
O Platyhelminthes
о Cnidaria
O Annelida
Answers
Answer:
Option 4 is the correct answer
Explanation:
Earthworms belong to phylum Annelida.
Characteristics of Annelida
The Annelids are coelomate and triploblastic.They exhibit organ system level organization.Their body is segmented.They respire through their body surface.Nephridia are the excretory organs.They have a well-developed circulatory and digestive system.why two lines per stem is more useful
Answers
Two lines per stem are more useful because it allows the user to have a clearer picture of the overall structure and pattern of the graph.
Two lines per stemTwo lines per stem is more useful because it allows for more accurate and efficient data representation. When using a stem-and-leaf plot, having two lines per stem allows for a clearer distinction between the two sets of data being compared. This is especially useful when comparing large data sets, as it prevents the plot from becoming too cluttered and difficult to read.
Additionally, using two lines per stem can make it easier to identify patterns or trends within the data. Overall, two lines per stem can provide a more accurate and useful representation of the data being analyzed.
For example, the two lines can represent different types of data such as revenue or costs, or can help show trends in data over a period of time. By having two lines per stem, the user can more easily visualize and compare the data points.
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which of the following factors are necessary for activation of sox9 expression in the developing testis? group of answer choices rspo1 and wnt4 sry and sf1 fgf9 and wnt4 beta-catenin and sry
Answers
SRY and SF1 are required factors for the activation of sox9 expression in the developing testis.
What is the SOX9 gene?SOX9 functions as a marker and maintenance factor for pancreatic progenitor cells. SOX9 (SRY-Box Transcription Factor 9) is a gene that encodes a protein. The SOX9 protein binds (binds) to specific regions of DNA and binds to other genes, especially those that control skeletal development and sex determination. Regulates activity. Because of this effect, the SOX9 protein is called a transcription factor. Like SRY, mutations in Sox9 inhibit male development, but unlike SRY, the role of Sox9 is not restricted to mammals.
Activation begins when the transcription factor testis determinant (encoded by the sex-determining region SRY of the Y chromosome) activates SOX-9 activity by binding to enhancer sequences upstream of the gene. Sox9 then further activates FGF9, forming a feedforward loop with FGF9 and PGD2.
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which of these statements about enzyme inhibitors is true?
Answers
The action of inhibitors may be both either reversible or irreversible is trues about enzyme inhibitors.
What is enzyme inhibitors?
A chemical that binds to an enzyme and inhibits its activity is termed as an enzyme inhibitor. Proteins are referred as enzymes speed up the chemical processes that turn substrate molecules into products and are essential for life. An enzyme inhibitor is what? Inhibitors of enzyme activity are chemicals that bind to the enzyme without altering the protein structure of the enzyme.
Enzyme inhibition reactions come in three different varieties.
The inhibition of competition.Inhibitive non-competition.Inhibitive Non-Competition.To know more about enzyme inhibitors visit
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if the growth rate of a population decreases as the population size approaches the carrying capacity, the population growth is described as
Answers
Answer:logistic population growth .
What effect does soil disturbance have on the soil itself?
Answers
Releases nutrients by breakdown of organisms, making resources available to the and altering both of the absolute and relatives rates of Ecosystems processes.
What is ecosystem?An ecosystem is a geographic area where plants, animals, and other and it is the organisms, as the well as weathering and landscapes, work together form a bubble of in life.
Physical disturbances of them day up the to ecosystems releases nutrients by breakdown of organisms, making it off is resources available and altering both the absolute and relatives and friends rates of Ecosystems me processes (e.g. primary productivity, secondary consumption, decomposition, nitrogen fixation), and qualitatively altering the main pathways involved .
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What are two crucial functions of the carbon cycle?
A. Keeps carbon dioxide from escaping atmosphere and slows diffusion
B. Prevents bicarbonate formation and slows photosynthesis
C. Provides fossil fuels and recycles carbon dioxide
D. Prevents carbon dioxide from entering atmosphere and dissolves fossil fuels
Answers
and slows diffusion
B. Prevents bicarbonate formation and slows
photosynthesis
C. Provides fossil fuels and recycles carbon dioxide
D. Prevents carbon dioxide from entering
atmosphere and dissolves fossil fuels
Which of the following helps determine past climate on the basis of tree rings?
O oxygen isotope analysis
O pollen analysis
O dendrochronology
O 18O/16O ratio
O all of the above
Answers
If the year dates of the tree growth rings can be identified, the scientific discipline of dendrochronology can indeed be utilised to establish when a tree was cut down or died naturally. Seasonal climate shifts affect a tree's annual growth, which varies throughout the year.
Dendrochronology's goal is what?The study known as dendrochronology, sometimes known as tree-ring dating, uses the annual growth rings that trees create to determine dates on a calendar (Nash 2000). This precise and sophisticated dating technique has been employed by archaeologists for nearly a century.
What dendrochronology principles are there?According to this theory, there must have been physical and biological mechanisms in place in the past that connect present environmental processes with the patterns of tree development that exist today. James Hutton first said this in 1785, and it is now often understood to mean "the current is the keys to the past."
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which of the following processes is not common during the post-absorptive state?
-glucose catabolism
-ketogenesis
-protein catabolism
-glycogenolysis
Answers
The process that is not common during the post-absorptive state is glucose catabolism.
The post-absorptive state, which is also known as the fasting state, refers to the period after food consumption has ceased. During the post-absorptive state, energy must be derived from stored macronutrients in order to maintain blood glucose levels and support other physiological processes. Glucose catabolism is a process in which glucose is oxidized in order to produce energy, which is utilized to carry out cellular processes.
This process typically occurs in the presence of oxygen, and is known as aerobic respiration. In the post-absorptive state, glucose levels decrease and the body relies on alternative sources of energy, such as fatty acids and ketone bodies, which are produced via ketogenesis. Thus, glucose catabolism is not common during the post-absorptive state as glucose levels are low and the body must rely on other sources of energy.
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The most common elements for
life are CHONP.
The letter N symbolizes the
element...
A. nether.
B. nitrogen.
C. non-biotic.
Answers
The letter N in the most common elements for life CHONP indicates (B) Nitrogen.
Elements are the smallest unit that cannot be broken down further. Each element comprises of specific protons, neutrons and electrons. These elements are essential for living organisms as well. The most common elements inside living body are: CHONP, i.e., Carbon, Hydrogen, Oxygen, Nitrogen and Phosphorus.
Nitrogen is the element in the periodic table with an atomic number 7. It is a very essential element in living organisms because it acts as an important constituent of compounds like nucleic acids, amino acids, proteins, etc. In plants it is a part of chlorophyll.
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how do we know that change is taking place around us ? what is the need to study change ? explain some example
Answers
Answer:
Specialisation in the knowledge society and its need
Posted by Bernardo Lajus on Mon, 01/07/2013 - 11:54.
Contemporary society is characterized by globalization. The information and the speed with which they reach society amaze anyone who has experienced the 1980s and 1990s. Because of the technology and facilities it brings, the recipients of this information become increasingly demanding, in every way. Demanding with you, with others, with things, with everything, making the world so demanding, to the point that services and information are insufficient, exhausting, poor.
Because of this, the world specializes. The professions have gained new directions, new perspectives. The courses that were previously generic, such as engineering, law, medicine, became insufficient and were gaining tributaries. If before the general practitioners of mechanical engineering and law realized the professional demand, over the years and the evolution of society, it required professionals to become specialists, creating branches and opening possibilities.
Today, specialists, masters and doctors are essential for the rapid development of society, required everywhere. Despite the harm spawned (such as time demanded, or "knowing much about little), specialization in the knowledge society brings inegulable benefits. The creation of new jobs, the deepening of knowledge and the quality of services makes society evolve even more.
Thus, although the human being, in his individuality, is not expanding his way of knowing, but rather reducing himself to specificity, society as a whole plunges into a profound expansion of knowledge, bringing this to everyday life, from the most trivial to the most complex of works, specialization is necessary and beneficial.
Explanation:
30. How many calories would it take to raise a persons body temperature 3 degrees if their
mass is 79545 grams? (show your work)
Answers
Answer:
2000000 heat calories.
Explanation:
Explanation:
The heat capacity of water is 1 calorie for 1 gram raised 1 degree C
or 4.186 joules of energy for 1 gram raised 1 degree C ( or
K
o
)
l Kg = 1000 grams so
100
K
g
×
1000
g
1
= 100000 grams of water.
It takes 10 000 calories to raise 10 000 grams of water 1 degree
so 20 degrees x 10 000 grams = 2 000 000 calories.
The same type calculations can be done for heat in joules
10, 000 grams x 4.186 joules x 20 degrees. = 8372000 joules.
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Some of the oldest frog fossils date back to the ____________________ period.
Answers
Answer:
about 250 years ago
Explanation:
Answer:
about 250 million years ago
Explanation:
It is the oldest member of the frog lineage known, and an excellent example of a transitional fossil. It lived during the Early Triassic about 250 million years ago, in what is now Madagascar.
Which objects would cause refraction of light? (Select all that apply.)
prisms
magnifying glasses
wooden boxes
eyeglasses
Answers
Answer:
prisms
eyeglasses
Explanation:
i new the answer
have a great day ;)
How much energy would be available to a tertiary carnivore?
Answers
Answer:
Tertiary consumers receive 10% of the energy available at the secondary level (0.1% of the original energy). As a result, tertiary consumers have the least amount of energy and are therefore at the top of the pyramid (the smallest part).
Answer:
10%
Explanation:
a bacterial gene (gene a) ordinarily makes a protein that binds to dna. a mutation of gene a causes an increase in the expression of gene b. we can conclude that
Answers
The conclusion of a bacterial gene (gene A) ordinarily makes a protein that binds to DNA and a mutation of gene A causes an increase in the expression of gene B that the protein created by gene A plays a role in repressing gene B expression.
There are several regulatory proteins that can bind to DNA and control gene expression. Gene A creates a protein that binds to DNA in this scenario. However, when gene A is mutated, its protein no longer binds properly, resulting in an increase in the expression of gene B. Therefore, it can be deduced that the protein produced by gene a represses gene b expression. This protein is involved in transcriptional regulation and may function as a transcriptional repressor.
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During one year, two rabbits were born into a population and five emigrated to look for better food sources. Seven rabbits died in the population and 12 immigrated into the population.
What was the population growth during this year?
Use this formula:
population growth = (birth rate + immigration) – (death rate + emigration)
–10
2
7
26
Answers
Answer: Its 2
Explanation:
(2+12) - (7+ 5)
2+12= 14
7+5= 12
14-12= 2
:p
Answer:
2
Explanation:
i got it right on edge 2020
Does Pleurotus ostreatus have cells that have a nucleus?
Answers
Answer:
Yes, Pleurotus ostreatus, like all living organisms, has cells that have a nucleus. The nucleus is a membrane-bound organelle found in eukaryotic cells that contains the cell's genetic material.
Explanation:
Unlike eutherians, both monotremes and marsupials a. lack nipples. b. have some embryonic development outside the uterus. c. lay eggs. d. are found in Australia and Africa.
Answers
Unlike eutherians, both monotremes and marsupials are animal taxa groups that have some embryonic development outside the female uterus (Option b is correct).
What are monotremes and marsupials?Monotremes and marsupials are two different groups of mammals that exhibit singular features such as the development of offspring inside a pouch mother's body in marsupials.
In conclusion, unlike eutherians, both monotremes and marsupials are animal taxa groups that have some embryonic development outside the female uterus (Option b is correct).
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Please someone help!Humans have been modifying genetics for thousands of years through the process of _________
Answers
what products of glycolysis are used in celluar respration
Answers
Answer:During the process of glycolysis in cellular respiration, glucose is oxidized to carbon dioxide and water. Energy released during the reaction is captured by the energy-carrying molecule ATP adenosine triphosphate.
Explanation: