Question 53
Chromosomes, DNA and Sex LinkageWhich of the following statements is not correct about sex-determination?
- A.Females contribute half of the sex chromosomes
- B.Males contribute an X or Y chromosome
- C.Females contribute only the X chromosome
- D.The sex of an individual is determined by the contribution of the male and female
- E.Females alone determines the sex of of child
Show the answer and explanation
Answer: E (Females alone determines the sex of of child)
Explanation
The father's sperm (X or Y) decides the sex; the mother always gives an X.