The answer is letter a. loop
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An adaptation is a way that an animal has changed in its environment that allows the animal to survive.
<u><em>Adaptations make the species more genetically diverse</em></u>
Answer is only 1st case that is homozygous zygote is the right answer.
Explanation:
In maternal recessive mutation both the alleles are mutant and exhibit mutant phenotype. The mutated alleles are present as homozygous.
From the definition it is concluded that:
first case, homozygous zygote is mutant phenotype
second case, heterozygous zygote not mutant phenotype
in third case, heterozygous zygote not mutant phenotype.
<span>Permafrost, or permanently frozen subsoil, characterizes Tundra</span>
