Question

Read the statement A and B and identify the correct choice from those given below.
Statement (A): The egg of frog is moderately telolecithal.
Statement (B): Sooner (or) later the cleavage pattern becomes irregular.

• A. Statement (A) is correct, (B) is wrong
• B. Statement (B) is correct, (A) is wrong
• C. Both the statements (A) and (B) are correct
• D. Statement (A) is the reason for statement (B)

Answer 1

The correct option is D Statement (A) is the reason for statement (B)

The frog's egg has the high concentration of yolk in the vegetal hemisphere as because they have irregular cleavage which leads to unequal distribution of egg. Moderately telolecithal eggs are the type of egg contains a moderate quantity of yolk which is distributed unevenly. Due to the high concentration of yolk in the vegetal hemisphere, the nucleus is shifted more towards the animal hemisphere.

So, the correct answer is option D.