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3 years ago

Dominant and recessive genes effect on phenotype

1 answer:

4 0

Dominant is the first gene variant in a phenotype from the two alleles of a gene and recessive has effect on the third allele of a phenotype.

Explanation:

The genetic phenomenon of masking of chromosome with one variant of allele or predominating the impact of one gene on its chromosomal copy is Dominance. In this phenomenon the first variant of gene is known as ‘dominant’ and the second one is ‘recessive’.

This phenomenon is not inherited by phenotype, it has a relative effect on two alleles of a gene where one is dominant on other and the recessive is on third allele. Dominant allele has functional protein but recessive does not have it.

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Explanation:

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3 years ago

Oxygen and CO2 are exchanged between capillaries and alveolus. Do capillaries contain deoxygenated blood while alveolous contain

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The aveolus is surrounded by capillaries. So capillaries carry deoxygenated blood to the alveolus where the oxygen from the alveolus diffuses into the blood in the capillaries. The deoxygenated blood is now oxygenated and is carried out of the lung via capillaries that then merge into the pulmonary vein.

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2 years ago

Read 2 more answers

Examine the flow chart above depicting the job of a gene known as p53. It plays an important role during the G2 checkpoint of ce

cluponka [151]

The p53 protein is known as the guardian of the genome because this protein prevents errors during DNA replication. It is a tumor suppressor gene.

<h3>Tumor suppressor genes </h3>

Tumor suppressor genes are genes that play fundamental cellular roles and prevent cell uncontrolled growth.

A tumor suppressor gene can repair errors that occurred during DNA replication, slow down the cycle of cell division, trigger programmed cell death, etc.

The p53 acts to control cell division and cell death, thereby avoiding the emergence of cancer cells.

Learn more about tumor suppressor genes here:

brainly.com/question/16188646

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3 years ago

What happens when weathering and erosion work together?

egoroff_w [7]

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is dissolved, worn away or broken down into smaller and smaller pieces. Once the rock has been weakened and broken up by weathering it is ready for erosion. ... Erosion happens when rocks and sediments are picked up and moved to another place by ice, water, wind or gravity.

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3 years ago