If both parents contribute identical versions of a gene, then the offspring are ______ for that gene.Multiple choice question.
Question
If both parents contribute identical versions of a gene, then the offspring are ______ for that gene.
Solution
The correct answer to complete the statement is homozygous.
When both parents contribute identical versions of a gene, it means that the offspring will have two copies of the same allele for that gene, leading to a homozygous genotype. This can be either homozygous dominant (both alleles are dominant) or homozygous recessive (both alleles are recessive).
In contrast, if the alleles contributed by each parent are different, the offspring would be termed heterozygous for that gene. Thus, the term that fits best in the provided statement is "homozygous."
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