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Minchanka [31]
3 years ago
11

How natural selection could lead to a change in allele frequency

Biology
2 answers:
love history [14]3 years ago
6 0

Natural selection can cause micro evolution, or a change in allele frequencies over time, with increase fitness alleles, that becoming more common in the population over generations.

<u>Explanation:</u>

NATURAL SELECTION:

Natural selection is refer to how the offspring organisms or particular genotype or phenotype steps into  the next generation. It  lead to changes in the allele frequency; natural selection can causes small number of evolution and  that causes allele frequencies changed  for long  time; and  the increases in  the allele becoming more common in the population over generation;  

ALLELE FREQUENCY:

Natural selection, genetic drift, mutations, genetic flow are the four factors that changes the population generation. This made the natural selection leads to change in the allele frequency.

Whitepunk [10]3 years ago
4 0

Answer:

Allele frequency can be described as a phenomenon which measure how common an allele is in a particular population. It tells about the genes which are richest in a gene pool and it also shows the genetic diversity in a population. Allele frequency is often expressed in percentages.

Natural selection tends to favour those organisms that are best adapted to live in an environment and which can withstand changes occurring in the ecosystem. If due to some circumstances, a trait becomes less useful to organisms in a population then by natural selection the allele frequency for those alleles will reduce with time. Similarly, the alleles which code for better genes for an environmental change will be increased due to the phenomenon of natural selection.

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