Topic: Fertilisation, embryo development to blastocyst, implantation· Reproduction

The amnion of mammalian embryo is derived from

1. ectoderm and mesoderm

2. mesoderm and trophoblast

3. endoderm and mesoderm

4. ectoderm and endoderm

Doubtly Asked 30 Oct 2026 NEET UG 2018 Practice test neet Save WhatsApp Report

1 answer

Best answer

Answer: 1. ectoderm and mesoderm

Key idea: The extra-embryonic membranes are formed from the germ layers.

The amnion is made of extra-embryonic ectoderm on the inside and extra-embryonic mesoderm on the outside. The trophoblast forms the chorion and placenta, and endoderm forms the yolk sac lining.

Answer: option 1.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report

Was this answer helpful?

The amnion of mammalian embryo is derived from

1 answer

Your answer