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Sati [7]
3 years ago
12

How can a mutation be inherited

Biology
2 answers:
const2013 [10]3 years ago
3 0

Somatic mutation, genetic alteration acquired by a cell that can be passed to the progeny of the mutated cell in the course of cell division. Somatic mutations differ from germ line mutations, which are inherited genetic alterations that occur in the germ cells (i.e., sperm and eggs).

Tanya [424]3 years ago
3 0

Mutation can be defined as the permanent alteration in the DNA sequence that builds up the gene.Mutation can be inherited when they are acquired by the offspring from their parents.Such mutation are called germ line mutations because they occur in germ cells-sperm and egg.These mutations are present in almost all cells since it is passed on from parents to offspring.

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jenyasd209 [6]
A) A textbook definition would be that genetic drift is: a random change in allele frequency caused by a series of chance occurences that cause an allele to become more or less common in a population. In layman's terms, this means that genetic drift happens when luck makes the genetic pool of the population to deviate from what is expected.
B) The cause for this genetic drift is the aformentioned couple. Because amish communities are small and they select partners from their community, having even a couple of carriers of alleles in a community can make the allele freuency much larger than expected; for example, if the community was 100 persons, the percentage would be in the order of 1%, still much larger than the general population. Thus, the cause here is that a small population had a couple of carriers.
C) Sexual reproduction leads to a mixing of alleles from both mother and father and helps diversity. When a population is isolated, the gene pool is fixed and no new genes can come in, reducing diversity. Also some people that have an allele might die, hitting diversity even more. Finally, having a small population creates a strong pressure in some circumstances that leads to elimination of some traits and diversity.
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How does sexual life cycle increase the genetic variation in a species
SCORPION-xisa [38]

Answer:

The behavior of chromosomes during meiosis and fertilization is responsible for most of the variation that arises in each generation. Three mechanisms contribute to genetic variation arising from sexual reproduction: independent assortment of chromosomes, crossing over, and random fertilization.

3 0
3 years ago
The transfer of nitrogen from the atmosphere to the soil, to living things, and back to the atmosphere is...
vodomira [7]

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Explanation:

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It tends to resist rising.

4 0
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