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Brums [2.3K]
3 years ago
13

Select the correct statement about phylogenetic trees.A. All phylogenetic trees are similarly shaped.B. Phylogenetic trees may e

xpand quickly to maximum width and then narrow over time.C. Phylogenetic trees always show increased branching, representing increased diversity over time
Biology
1 answer:
Arlecino [84]3 years ago
7 0

Answer:

The correct answer is C) Phylogenetic trees always show increased branching, representing increased diversity over time.

Explanation:

A new branch in phylogenetic trees appears when new species appear, meaning that diversity increases. The appearing of new branches can show speciation processes and it can also help to understand how a certain lineage evolved through time or the specific divergence in one point.

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2 years ago
if there are 100 individuals in a population and 20 are homozygous for b, 60 are heterozygous, and 20 are homozygous for b, what
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If there are 100 individuals in a population and 20 are homozygous for b, 60 are heterozygous, and 20 are homozygous for b, the allele frequency of b is 50%.  

Allele frequency, sometimes referred to as gene frequency, is the percentage or fractional frequency of an allele (gene variant) at a certain location in a population. What is being discussed is the proportion of chromosomes in the population that carry that allele in comparison to the entire population or sample size. The slow change in allele frequencies within a population is known as microevolution.

Taking into consideration:

1. A particular allele at a particular chromosomal region.

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If an allele is found in a population on I chromosomes, the allele frequency is the proportion of all I occurrences of that allele to the total number of copies of the chromosome in the population (nN). Despite being related, the genotype frequency and the allele frequency are separate and one can infer the other from the other.

To know more about allele please refer: brainly.com/question/7602134

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