why is a random mutation more likely to be deleterious than beneficial?

Answer:

mass extinctions probably

Explanation:

mass extinction is a significant rise in extinction rates above the natural background rate.

Answer: A warm front forms when a warm air mass pushes into a cooler air mass, also shown in the image. Warm fronts often bring stormy weather as the warm air mass at the surface rises above the cool air mass, making clouds and storms.

Answer: Female worker bees

Explanation:

Any disturbance in the working of the body is called a disease. A disease refers to an abnormal condition or disruption in the normal functioning of the body.

Often characterized by specific symptoms and signs that indicate an illness or disorder. Diseases can result from various causes, including infections, genetic factors, environmental influences, lifestyle choices, and underlying physiological or biochemical imbalances.

Hygiene, on the other hand, refers to practices and behaviors that promote cleanliness and health. It involves maintaining proper personal and environmental cleanliness to prevent the spread of diseases and maintain overall well-being.

A pathogen is an organism or agent that causes disease. Pathogens can include bacteria, viruses, fungi, parasites, and other microorganisms. They invade the body, reproduce, and disrupt normal bodily functions, leading to the manifestation of disease symptoms. Pathogens can be transmitted through various routes, such as person-to-person contact, contaminated food or water, airborne particles, or insect vectors.

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The likelihood that a female will have an X-linked allele. if How a pedigree may be used to infer information.

Reddish tint blindness with hemophilia A: Ruby color blindness are two examples of Cross recessive diseases. Red-green color blindness is simply the inability to discriminate between the many hues of red and greens (usually blue-green).

Y-linked characteristics only appear in male progeny of an afflicted man and never in females. Due to the fact that an only allele (on the Y gene) is ever present in a single (male) person, the terms dominant and recessive need not apply to Y-linked characteristics.

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Answer:

I think African; malaria

Explanation:

Instead of the Mendelian ratio of 3:1, the ratio of phenotypes for offspring from a cross between two individuals who are heterozygous for sickle cell

Answer:

E coli.

Explanation:

E coli is a prokaryotic organism, meaning it is comprised of only one cell.

The type of scientist best qualified to perform genetic engineering to produce more productive seeds in agriculture would be a molecular biologist, the correct option is C.

Molecular biologists specialize in studying the structure, function, and interactions of molecules within biological systems, including DNA and genes. Genetic engineering involves manipulating the genetic material of organisms, which requires a deep understanding of molecular biology principles.

Molecular biologists have the expertise to identify and isolate specific genes responsible for desired traits in crop plants, such as increased productivity or resistance to pests or diseases. They can then modify or introduce these genes into target plants to achieve the desired outcomes, the correct option is C.

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All of the offspring (100%) are expected to have white hair.

In the given cross, all the offspring will inherit one W allele from the WW parent and one w allele from the ww parent, making them all heterozygous Ww. The W allele is dominant, so any individual with at least one W allele will have white hair.Therefore, all of the offspring (100%) are expected to have white hair since they all carry at least one W allele. The phenotype ratio will be 100% white hair (Ww) and 0% non-white hair (ww) as ww individuals do not carry the dominant W allele.

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Answer:

The asthenosphere

Explanation:

Heat is generated from the radioactive decay of elements in the interior of  the Earth, which creates magma in the asthenosphere. Hope this helped

Answer:

the athenosphere

The mantle is where convection currents occur. Magma from the core help fuel these currents. The answer to the question is the athenosphere.

Hope this helps you!

The color of urine can vary among individuals due to several factors. One significant factor is the concentration of waste products and chemicals in the urine.

When urine appears yellow, it indicates that it is more concentrated. This can be due to a higher level of waste products, such as urea, and a lower water content in the urine. The yellow color may also be influenced by certain foods, medications, or supplements that are being consumed.
On the other hand, when urine appears pale or almost colorless, it suggests that it is more diluted. This can be due to a higher water content and a lower concentration of waste products. It may indicate that the individual is well-hydrated and drinking an adequate amount of fluids.
It's important to note that urine color can also be affected by certain medical conditions or diseases. If someone is concerned about the color of their urine or experiences any other unusual symptoms, it is recommended to consult a healthcare professional for a proper evaluation and diagnosis.

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Crop rotation, the intercropping, and the step farming are all the examples of sustainable agriculture

Sustainable agriculture as defined in U.S. law, Code Title 7, Section 3103, means an integrated system of crop and animal production practices, and in the long term, sites such as: It has a unique application. Meets human nutritional and fiber needs. Shade-grown coffee, a form of polyculture (an example of sustainable agriculture) that mimics natural ecosystems. Trees provide coffee trees with resources such as shade, nutrients and soil structure. Farmers harvest coffee and wood. Sustainable agriculture should promote healthy ecosystems and support the sustainable management of land, water and natural resources while ensuring global food security.

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Stop codon mutation can make the sequence to be low.  Option (b) is correct.

Amino acids are molecules that combine to form proteins and amino acids and proteins are the building blocks of life. When proteins are  broken down, then amino acids are left. Human body uses amino acids to make proteins to help the body and break down food.

Stop codon mutations can result in shorter amino acid sequence because  premature termination of translation can lead to incomplete protein synthesis. Resulting protein may be truncated and may also lack essential functional domains, resulting in non-functional functional protein.

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Here is the order of events which they are thought to have occurred according to the impact hypothesis.

The moon may have formed from the ejecta of a collision between the proto-Earth and a planet the size of Mars around 4.5 billion years ago, according to the giant-impact hypothesis, also known as the Big Splash or the Theia Impact (about 20 to 100 million years after the Solar System coalesced).

Theia, the name of the fabled Greek Titan who was Selene, the goddess of the Moon's mother, is frequently used to refer to the colliding bodies. According to a 2016 report on lunar rock analysis, the impact may have been a direct hit, thoroughly mixing both parent planets.

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Answer:

C6H12O6+6O2=6CO2+6H2O

Answer:

Weakness and Fatigue

Explanation:

And over time, a lack of protein can make you lose muscle mass, which in turn cuts your strength, makes it harder to keep your balance, and slows your metabolism. It can also lead to anemia, when your cells don't get enough oxygen, which makes you tired.

Mark brainliest please I would appreciate it

Answer:

I think its A

Explanation:

Im not 100% tho sorry

Answer:

He chose peas because they had been used for similar studies, are easy to grow and can be sown each year.

Answer:The geologic time scale is the “calendar” for events in Earth history. It subdivides all time into named units of abstract time called—in descending order of duration—eons, eras, periods, epochs, and ages.

Explanation:

Answer:

Hi K. Try reading Lesson 1.02 in your OLS and the part about genes switching on and off during development. Or try asking me for help instead of strangers on the internet ;)

-Mrs. L

Explanation:

It is an vertebral artery. The brain and spine are supplied with blood through the vertebral arteries there in neck.

The term vertebral describes the location of the arteries along the vertebrae, or spine bones. There are two vertebral arteries that flow through the spinal column, one on each side. A stroke occurs when the subsequent loss of brain function is irreversible (an infarction or brain attack).

A stroke can be caused by a blood clot in the vertebral or anterior artery or by a particle of plaque (embolus) breaking off and traveling downstream, blocking a portion of both the blood supply to the brain. Blood penetrates between vertebral artery layers during a dissection, resulting in decreased blood flow.

This can result in a stroke, headache and vertigo, vision difficulties, and a variety of other neurological problems. The vertebral artery carries blood to the vertebrae of the neck, the upper spinal column, and the region surrounding the exterior of the skull. It also transports blood to two critical areas of the brain: the behind fossa and or the occipital lobes.

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Answer:

A fossil.

It would be C

The Shannon diversity value for the fish sample is approximately 1.791, indicating a moderate level of diversity.

The Shannon diversity index measures the diversity or evenness of a community by considering the relative abundance of different species. To calculate the Shannon diversity value for the given fish sample, we can use the formula:

H' = -Σ(\(\pi\) * log(\(\pi\)))

Where:

H' is the Shannon diversity value

\(\pi\) is the proportion of individuals belonging to the ith species

Using the data provided, we can calculate the Shannon diversity value as follows:

\(\pi\) for bluegill = 12/38

\(\pi\) for bass = 7/38

\(\pi\) for catfish = 6/38

\(\pi\) for carp = 13/38

Calculating the values and substituting them into the formula:

H' = -( (12/38 * log2(12/38)) + (7/38 * log2(7/38)) + (6/38 * log2(6/38)) + (13/38 * log2(13/38)) )

= 1.791

After performing the calculations, the Shannon diversity value for this sample of fish from the pond is approximately 1.791.

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The tensile fibres present in the cell walls of higher plants are made of the polysaccharide cellulose, the most organic macromolecule, which is closely connected into a network by cross-linking glycans.

Cellulose, the most ubiquitous polysaccharide in nature, serves as the primary structural support for plant cell walls most of the time. Important polysaccharides for structural support include chitin and cellulose. They combine to form fibres that are rigid and robust. Thanks to cellulose, plants have structures, and fungi and other creatures have exoskeletons and other structures thanks to chitin. Several monosaccharides with glycosidic connections, some of which may be the same or different, combine to form plant polysaccharides, which are large molecules.

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UAG, UAA, and UGA. These codons signal the end of the polypeptide chain during translation. These codons are also known as nonsense codons or termination codons as they do not code for an amino acid.