gametogenesis (copy)

Gametogenesis

________ is the process by which gametes are produced.

Meiosis

________- produces cells that are genetically different.

Haploid

________- half of the number of chromosomes 23 one of each pair.

Mitosis

________- produces diploid cells (genetically identical cells)

Oogenesis

________- formation of eggs or ovaries.

Sperm

________ undergo further maturation whilst in the female tract.

Syngamy

________ causes depolarisation of the membrane triggering the release of calcium ions.

Spermatogenesis

________- formation of spermatozoa.

Diploid

________- will have full set of chromosomes 46 in 23 pairs.

Release of calcium

________ triggers the vertical reaction preventing polyspermy.

Follicle

________ stimulating hormone (FSH) secreted by the pituitary promotes the growth of primary oocytes into ________ the oocyte is surrounded by epithelial cells usually only 1 ________ will develop into a graafian follicle which grows and moves to the surface if the ovary.

sperm

Once the ________ has entered the oocyte this triggers the final meiotic division and this forms the female pronucleus.

Sperm

________ reach the oocyte by a mixture of peristaltic contractions and the swimming actions of the tails.