Chapter 12 - Meiosis

Question 0

Sexual reproduction

Answer 0

Reproductive mode by which offspring arise from two parents and inherit genes from birth

Question 1

Meiosis

Answer 1

Nuclear division process that halves the chromosome number. Basis of sexual reproduction

Question 2

Alleles

Answer 2

Forms a gene with slightly different DNA sequences; may encode slightly different versions of the same gene’s product

Question 3

Fertilization

Answer 3

Fusion if two gametes to form a zygote

Question 4

Gamete

Answer 4

Mature, haploid reproductive cell an egg or sperm

Question 5

Haploid

Answer 5

Having one of each type of chromosomes

Question 6

Somatic

Answer 6

Relating to the body

Question 7

Zygote

Answer 7

Diploid cell formed by fusion of two gametes, the first cell of a new individual

Question 8

Crossing-over

Answer 8

Process in which homologous chromosomes exchange corresponding segments during prophase 1 of meiosis

Question 9

Egg

Answer 9

Mature female gamete, or ovum

Question 10

Gametophyte

Answer 10

A haploid, multicelled body in which gametes form during the life cycle of land plants and some algae

Question 11

Sperm

Answer 11

Mature male gamete

Question 12

Sporophyte

Answer 12

Diploid, spore-producing stage of a plant life