In a newly fertilised egg, the vitelline layer ________.
A) lifts away from the egg and hardens to form a fertilisation envelope
B) secretes hormones that enhance steroidogenesis by the ovary
C) reduces the loss of water from the egg and prevents desiccation
D) provides most of the nutrients used by the zygote

Question

Quizplus · Accepted Answer

The vitelline layer lifts away from the egg and hardens to form a fertilisation envelope, which helps to protect the developing embryo and prevent polyspermy. It does not secrete hormones, reduce water loss or provide nutrients to the zygote.

In a Newly Fertilised Egg, the Vitelline Layer ________