10.3 meiosis

Question 1

meiosis

Answer 1

the porcess of creating new cells from parent cells that aren’t direct copies.

Question 2

homologous chromosones

Answer 2

two of each type of chromosones

Question 3

sister chromatids

Answer 3

a direct copy of another chromatid

Question 4

fertilization

Answer 4

when the egg cell is able to start dividing.

Question 5

asexual reproduction

Answer 5

one parent, exact copies.

Question 6

sexual rerproduction

Answer 6

two parents, variation in “copies”

Question 7

gamete

Answer 7

a mature haploid male or female germ cell which is able to unite with another of the opposite sex in sexual reproduction to form a zygote.

Question 8

somatic cell

Answer 8

any cell of a living organism other than the reproductive cells.e

Question 9

tetrad

Answer 9

a four-part structure that forms during prophase I of meiosis and consists of two homologous chromosomes, each composed of two identical chromatids.

Question 10

sources of genetic variation:

Answer 10

Independant assortment, crossing over, sexual reproduction.

Question 11

contrast mitosis and meiosis:

Answer 11

mitosis creates new COPIES of cells, while meiosis creates new cells with variation.