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標題: [Bio] blood inheritance [打印本頁]

作者: chij2212a    時間: 2016-8-7 04:54 PM     標題: blood inheritance

Humans are in blood group M, N or MN. The alleles for blood group M (M) and         blood group N (N) are co-dominant. Humans are also in blood group A, B, AB         or O. The alleles controlling these blood groups are IA, IB and i.
If two parents have the genotypes iiMM and IAiMN what is the ratio of possible         phenotypes of their offspring?
A.  9 group A, group M             3 group A, group N             3 group O, group M          1 group O, group N
B.  9 group O, group M             3 group O, group N            3 group A, group M         1 group A, group N
C.  3 group O, group M             3 group O, group MN          1 group A, group M       1 group A, group MN
D.  1 group A, group M             1 group A, group MN            1 group O, group M        1 group O, group MN

作者: chij2212a    時間: 2016-8-9 07:43 PM

Humans are in blood group M, N or MN. The alleles for blood group M (M) and         blood group N (N) are co-dominant. Humans are also in blood group A, B, AB         or O. The alleles controlling these blood groups are IA, IB and i.
If two parents have the genotypes iiMM and IAiMN what is the ratio of possible         phenotypes of their offspring?
A.  9 group A, group M             3 group A, group N             3 group O, group M          1 group O, group N
B.  9 group O, group M             3 group O, group N            3 group A, group M         1 group A, group N
C.  3 group O, group M             3 group O, group MN          1 group A, group M       1 group A, group MN
D.  1 group A, group M             1 group A, group MN            1 group O, group M        1 group O, group MN




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