Question

short answer questions. give significance of . 1) fertilization . 2) gastrulation​

Answer 1

Answer:

fertilization

Human fertilization is the union of a human egg and sperm, usually occurring in the ampulla of the fallopian tube. The result of this union is the production of a zygote cell, or fertilized egg, initiating prenatal development. Scientists discovered the dynamics of human fertilization in the nineteenth century.

gastrulation

Gastrulation is the process during embryonic development that changes the embryo from a blastula with a single layer of cells to a gastrula containing multiple layers of cells. Gastrulation typically involves the blastula folding in upon itself or dividing, which creates two layers of cells.

Explanation:

Mark as brainlist

Answer 2

Answer:

Gastrulation: During embryonic development, the process by which blastula (single layer of cells) is converted into gastrula (multiple layers of cells) is termed as gastrulation.

SIGNIFICANCE:

a) It marks the beginning of morphogenesis and differentiation.

b) Metabolic activities of the cells are increased due to great morphogenetic activities of the blastomeres.

c) Three primary germ layers are formed.

d) Blastocoel is obliterated and archenteron is formed.

Fertilization➙ The process of combining the male gamete (sperm) with the female gamete (ovum).

▶Significance of Fertilization:-

============================⤵

[1] It ensures diploid of the organism by fusion of haploid male & female gametes.

[2] It provides new genetic constitution to the zygote.

[3] It increases the metabolic activities & the rate of protein synthesis of the egg.

PLS MARK BRIANLIEST