NEET Biology question

Biology Human Reproduction NEET

In human female, the blastocyst

(A)Forms placenta even before implantation
(B)Gets implanted into uterus 3 days after ovulation
(C)Gets nutrition from uterine endometrial secretion only after implantation
(D)Gets implanted in endometrium by the trophoblast cellsCorrect

Answer: (D)

Solution

The blastocyst implants into the uterine endometrium through the activity of its outer trophoblast layer, which attaches to

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-122115