Answer:
The flow of individuals in and out of a population introduces new alleles and increases genetic variation within that population. Mutations are changes to an organism's DNA that create diversity within a population by introducing new alleles.
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Answer:
C) ash from a forest fire is carried by the wind to the force where it lands and causes the pH of the soil to increase
Explanation:
This characteristic is called redundancy.
Redundancy is one of the characteristics of the genetic code, meaning that there may be several triplets (or codons) that code for the same amino acid. And these codons differ in the third nucleotide of the codon.
This characteristic has an interest in the conservation of protein sequences in case of mutations (we will have silent mutations that will not change the amino acid sequence).
It also has another interest that is to fill all possible combinations of codons: there are 64 different codons coding for 20 amino acids.
Answer:
Knowing the evolutionary relationships among species allows scientists to choose appropriate organisms for the study of diseases, such as HIV. Scientists are even using the principles of natural selection to identify new drugs for detecting and treating diseases such as cancer. Environmental change and isolation of groups of organisms play an important role in evolution. Environmental change is any change in an environment to which an organism must adapt. Change can be gradual, such as when mountains or deserts form, other species die out, or new species evolve.
Explanation: