A) the female sex hormone estrogen suppresses the character in females
B) the gene responsible for the character is present on the Y - chromosome only
C) the gene responsible for the character is recessive in females and dominant only in males
D) the character is induced in males as males produce testosterone
Correct Answer: B
Solution :
Genes in the non-homologous region of Y-chromosome pass directly from male to male. In man the Y-linked or holandric genes such as ichthyosis hystrix gravis hypertrichosis (excessive development of hairs on pinna of ear) are transmitted directly from father to son.
You need to login to perform this action.
You will be redirected in
3 sec
