a
Sex-determination
b
Sickle-cell anaemia
c
Rhesus factor
d
Colour of skin
Explanation
Correct Option
dNo explanation available
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Discussions (11)

emmyfunzamize
1 year ago
The answer is actually A, because s*x doesn't follow the normal inheritance pattern, it can't be determined until after conceiving. But colour can be determined. Couples whom doesn't want to give birth to a dark child can go for counseling.

deymolah
10 years ago
the answer is D jawe, shey colour of skin is needed in marriage counselling ni, the answer is definitely OPTION D









