LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

DEVELOPMENTAL BIOLOGY

Please wait while the activity loads.
If this activity does not load, try refreshing your browser. Also, this page requires javascript. Please visit using a browser with javascript enabled.

If loading fails, click here to try again

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

From inside to outside, what is the order of the layers of a gastrula?

A	mesoderm, ectoderm, endoderm
B	mesoderm, endoderm, ectoderm
C	endoderm, ectoderm, mesoderm
D	endoderm, mesoderm, ectoderm

Explanation:

Detailed explanation-1: -The process of gastrulation generates the three primary germ layers (ectoderm, endoderm, mesoderm), which primes the system for organogenesis and is one of the most critical steps of development.

Detailed explanation-2: -germ layer, any of three primary cell layers, formed in the earliest stages of embryonic development, consisting of the endoderm (inner layer), the ectoderm (outer layer), and the mesoderm (middle layer).

Detailed explanation-3: -Answer and Explanation: The cell layers of the gastrula from inner to outer are endoderm, mesoderm and ectoderm.

Detailed explanation-4: -Fertilization. Fertilization is the union of the female gamete (egg) and the male gamete (spermatozoa). Blastocyst Development. Blastocyst Implantation. Embryo Development. Fetal Development.

There is 1 question to complete.