Biology Heredity CBSE Board 2026 Medium
(a) A couple are parents to 4 daughters in a sequence, and do not have any son. Does this indicate that the h…
- (a)A couple are parents to 4 daughters in a sequence, and do not have any son. Does this indicate that the husband does not produced Y-chromosome bearing sperms ? Explain.
- (b)What are the chances of this couple bearing yet another daughter ? Show with the help of a cross.
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