Which illustrates feed back in development

Options

A. As tissue 'X' develops, it secretes enzyme to inhibit development of tissue 'Y'
B. As tissue 'X' develops, it secreates something that induces tissue 'Y' to develop
C. As tissue 'X' develops, it secretes something that slows down grouwth of tissue 'Y'
D. Tissue 'X' secretes RNA which changes the development of tissue 'Y'.

Answer

A

Explanation

In shrimp/crustancean development, 'X' controls reproductive growth while 'Y' controls ecdysis or moulting.