Question

A Child gets sex traits from
A) Father
B) Mother
C) Both father and mother
D) None of the above

Answer 1

Human beings have 22 pairs of autosomes and one pair of sex chromosomes. In the human male cell the chromosomes present is 44+XY. The females have 44+XX chromosomes.

Complete answer:
The genes that determines the sexual traits are X and Y. The men carry X and Y genes whereas females have double copies of X. In sexual reproduction, the offspring are produced which have the genes present of both the parents. The sex determination is determined by the following schematic representation.

Here, the X chromosome of mother combines with X chromosome of father to produce two daughters of combination XX. The X chromosome of mother pairs with Y chromosome of father to produce sons of combination XY. So, the child receives its sex traits from both mother and father.
Additional Information- There is many non sex determining X-linked genes. These are responsible for abnormal conditions like haemophilia, muscular dystrophy, high blood pressure, night blindness, colour blindness. X-linked genes are also responsible for baldness which is commonly known as male-pattern baldness.

Thus the correct answer is option (C),A child gets sex linked traits from both father and mother.

Note: If a mother is affected by X-linked dominant disease then the chances of getting that disease is 50% to both daughter and son. But if a father has some Y-linked inheritance then chances of getting the disease is only with the sons. The daughters will remain unaffected.