Question

Mohan and Radha are husband and wife who live in a village. They are going to have their first baby. Mohan had blonde hair (pale yellow hair) with genotype hh whereas Radha has black hair with genotype HH. A discussion started between Mohan and Radha whether their baby would have blonde hair like father or black hair like mother. Bikram is Mohan's nephew. He had come to meet his uncle Mohan in the village. Bikram who is the science student of class 10 in a city school, was listening to their discussion. When Mohan and Radha could about the hair colour of their would have black colour. He not to a conclusion would-be baby, Bikram said that the baby explained the reason for this to Mohan and Radha.

a. What are the factors which transmit characteristics (or traits) from parents to the baby? (1)

b. Name the process through which these factors are transmitted from parents to their baby (1)

c. Explain how Bikram could tell in advance that the baby to be born would have black colour like mother and not blonde hair like father). (2)

d. What values are exhibited by Bikram in this context?(1)​

Answer 1

Answer:

i think a. genes and DNA are responsible for the transmit of traits and b. the process might be zygote formation from male and female gametes