6.3 Meiosis

Question 1

The formation of gametes occurs by _____ which takes place in _____

Answer 1

Meiosis

Reproductive organs called gonads

Question 2

Meiosis is essential for _____ and the creation of _____ variation.

Answer 2

Sexual reproduction

Genetic

Question 3

How many chromosomes do gamete cells have

Answer 3

23 Chromosomes

Question 4

What is “Crossing Over” and what is it’s significance.

Answer 4

When, in Prophase 1, homologous chromosomes exchange parts of their genetic information. Produces chromosomes with new combos of genetic information.

Question 5

What is the point where crossing over occurs called?

Answer 5

The Chiasma (plural Chiasmata)

Question 6

How many allosomes and autosomes do we have?

Answer 6

22 pairs of Autosomes

1 pair of Allosomes (sex determining chromosome)

Question 7

Ova, or eggs, are produced via _____

Answer 7

Oogenesis

Question 8

Oogenesis produces _____ three of which are _____ and degenerate.

Answer 8

Four haploid cells

Not viable - Polar bodies (due to uneven cytoplasm distribution)