Question

How many ovum would have been released if there were fraternal twins?

Answer 1

Answer:2

Explanation:

Answer 2

Answer:

As the identical twins are monozygotic and are produced from two parts of same zygote so only one egg was released from the ovary.

As the fraternal twins are dizygotic and are produced from two different zygotes which is possible only if two eggs are released from the ovaries in a month.

Explanation :

(i) Human ovary produces only one egg in a month. (ii) As the identical twins are monozygotic and are produced from two parts of same zygote so only one egg was released from the ovary. (iii) As the fraternal twins are dizygotic and are produced from two different zygotes which is possible only if two eggs are released from the ovaries in a month.