The change in crab color is an example of Disruptive selection because two extreme colors were preferred over the more moderate color. Thus, the correct option for this question is D.
<h3>What is Natural selection?</h3>
Natural selection may be defined as the selection of a few individuals from any given population according to their favorable variations.
Disruptive selection occurs when environmental conditions changes in two different directions. Due to which variance increases in population.
Therefore, the correct option is D.
To learn more about Natural selection, refer to the link:
brainly.com/question/14385908
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Answer:
switch photosynthesis and celular respiration
The answer is another allele masks the recessive allele.
Recessive alleles are only expressed when they are paired with another recessive allele. If there is a dominant copy of the allele present, that is the one that will be expressed instead. Recessive alleles are common in the population, probably one of the most well known recessive traits is blue eyes.
Answer:
Homo-zygous, or AA
Explanation:
Since the mother's type is recessive O, the man's blood type A would be dominant. And because none of the children gained B or O blood types, it is likely the father only has A. This indicates homo-zygous (same) genotype, thus meaning his blood type is AA.
the reason for the dash between homo-zygous is because Brainly tagged it as inappropriate?