Question

If two heterozygous individuals mated and their first three children should a dominant trait, which of the following would be true?

a) their next child would have the dominant trait
b) their next child would have the recessive trait
c) there is a 25% chance their next child would show the recessive trait
d) they cannot have a child with the recessive trait

Answer 1

If two heterozygous individuals mated and their first three children should a dominant trait, then there is a 25% chance their next child would show the recessive trait.

What is a heterozygous individual?

A heterozygous individual is an individual that carries two different gene variants or alleles for a given locus.

Conversely, a homo-zygous individual carries the same gene variants or alleles for a given gene locus.

In complete dominance, the dominant allele masks the expression of the recessive allele in heterozygous individuals.

Learn more about heterozygous here:

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