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单词 pseudodominance
释义

pseudodominance

/ˌs(j)uːdəʊˈdɒmɪnəns/
Genetics
noun
Originally: the apparent dominance of a recessive allele in a heterozygote resulting from the deletion (or inactivation) of all or part of the chromosome bearing the dominant allele. Later (now usually): the appearance of a recessive trait in successive generations of a family, resulting from matings between homozygotes and heterozygotes.

Origin

1920s; earliest use found in Proceedings of the National Academy of Sciences of the United States of America. From pseudo- + dominance.

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更新时间:2024/11/12 9:54:06