As we can see in the pedigree, both of the parents do not possess the trait, but one of the four offspring (marked with red) is expressing the trait.
Since the trait is recessive, the only way that is possible that the parents who do not possess the trait to have the offspring with the trait is that the parents are heterozygous for the trait. Meaning that both of the parents have one dominant allele and one recessive allele.
Mitosis should only take 2 hours to complete
D is the answer. A gene is a part of a chromosome.
<span>the answer would be animals can produce and have fertile offspring </span>
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They surround and engulf foreign objects and organisms- process called phagocytosis