ScienceCâu 83 / 120
In genetics, an allele that is expressed only when two copies are present is called:
a.Dominant
b.Recessive
c.Codominant
d.Mutant
Giải thích
A recessive allele is expressed only when an individual has two copies of it. A dominant allele is expressed even when only one copy is present.
Luyện miễn phí toàn bộ 120 câu hỏi — không cần đăng ký.
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