Question

A family of five daughters only is expecting sixth issue. The chance of its beings a son is?

• A. Zero
• B. $25\%$
• C. $50\%$
• D. $100\%$

Answer 1

The correct option is C $50\%$

Chances of a baby to be either boy or girl is always 50% because in human beings there are 22 pairs of autosome and one pair of sex chromosome. Female is homozygous while male is heterozygous and genetically responsible for sex of the child. Sperms are of two types, i.e. sperms having X-chromosome responsible fol producing a girl and sperms having Y-chromosome responsible for producing a boy.

So, the correct answer is '50%'.