• 2022-06-08 问题

    For an AD disease, only 80% of individuals with heterozygote genotypes actually develop the disease symptoms. This indicates that A: penetrance of this disease is 80%. B: penetrance of this disease is 20%. C: expressivity of this disease is 80%. D: expressivity of this disease is 20%.

    For an AD disease, only 80% of individuals with heterozygote genotypes actually develop the disease symptoms. This indicates that A: penetrance of this disease is 80%. B: penetrance of this disease is 20%. C: expressivity of this disease is 80%. D: expressivity of this disease is 20%.

  • 2022-06-06 问题

    中国大学MOOC: For a given species, sex-influenced traits are expressed in only one sex and have zero penetrance in the other sex.

    中国大学MOOC: For a given species, sex-influenced traits are expressed in only one sex and have zero penetrance in the other sex.

  • 2022-06-06 问题

    For a given species, sex-influenced traits are expressed in only one sex and have zero penetrance in the other sex. A: 正确 B: 错误

    For a given species, sex-influenced traits are expressed in only one sex and have zero penetrance in the other sex. A: 正确 B: 错误

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