Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R: Assertion A: The mammary glands of the female undergo differentiation during pregnancy and start producing milk towards the end of pregnancy. Reason R: The milk produced during the initial few days of lactation is called colostrum, which contains several antibodies. In the light of the above statements, choose the mo

Step-by-step solution

Assertion A is a correct statement as the mammary glands of the female undergo differentiation during pregnancy and start producing milk towards the end of pregnancy by the process called lactation. Reason R is also a correct statement as the milk produced during the initial few days of lactation is called colostrum, which contains several antibodies (such as IgA) that are absolutely essential to develop resistance for the new-born babies. However, Reason R does not explain Assertion A. The differentiation of mamma