Which causes genetic variations and can result in different alleles? *

Biology

2 answers:

liberstina [14]3 years ago

4 0

Answer:

Genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).

RideAnS [48]3 years ago

3 0

Answer:

mutation

Explanation:

Random mating, random fertilization, and recombination between homologous chromosomes during meiosis(which reshuffles alleles within an organism's offspring).

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Relative time of divergence from a common ancestor can be estimated by:.

igomit [66]

The relative time of divergence from a common ancestor can be estimated by comparing the nucleotide/protein sequence.

<h3>What is sequence homo-logy?</h3>

In molecular biology, sequence homo-logy means the degree of similarity between sequences due to a common ancestor.

A sequence is a given fragment of a single DNA strand where nucleotides are arranged in a specific linear order.

Divergence or separation between lineages is directly proportional to the level of sequence homo-logy.

In conclusion, the relative time of divergence from a common ancestor can be estimated by comparing the nucleotide/protein sequence.

Learn more about sequence homo-logy here:

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