Fertilization

Question 1

what is fertilization

Answer 1

fertilization is the union between 2 haploid games, the sperm and ovum which gives rise to a diploid cell caled the zygote

Question 2

the passage of male gamete in the female reproductive track

Answer 2

during sexual intercourse, millions of sperms are deposited in the vagina but less than 1% reach the uterus, most of them degenerate and only a few hundreds reach the oviduct which is the site or fertilization.

Question 3

Sperm capacitation

Answer 3

During their passage, the sperm cells acquire their fertilization capacity and retain it for 48 hrs. It involves biochemical changes in the plasma membrane of the sperm cells.

Question 4

Schematize the secondary oocyte

Question 5

which phase is dominant in human species

Answer 5

The diploid phase is the predominant while the haploid is restricted to gamete production

Question 6

where do sperms acquire their motility and fertilizing capicity

Answer 6

motility in epididyus

fertilizing capacity in female genital track