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24/09/2020 10:47 am
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In Huntington’s disease, the unaffected persons are homozygous for normal allele h. The following is erroneous because
(a) it shows both male and female affected by Huntington's disease
(b) either person 6 or 7 should have the disease, if individual 11 shows the disease.
(c) at least one of the 2 children (8, 9) should have the disease
(d) all of these
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24/09/2020 10:59 am
(b) either person 6 or 7 should have the disease, if individual 11 shows the disease.
Explanation:
Since the offspring number 11 is affected (diseased) either of the two parents 6 or 7 have to be affected.