Cell Reproduction quiz 3

Karyotype

A chart of organism chromosomes. It can be used to determine the sex

Gametes

A haploid reproductive cell that unites with another haploid reproductive cell to form a zygote

Tetrad

A pair of homologous chromosomes

Meiosis

A process of nuclear division that reduces the number of chromosomes in the new cells to half the number in the original cell

Crossing-over

Portions of chromatids may break off and attach to adjacent chromatids on the homologous chromosome

Sexual reproduction

Reproduction in which gametes from two parents unite

Asexual reproduction

Reproduction that does not involve the union of gametes (only 1 parent needed)

Synapsis

The pairing of homologous chromosomes during meiosis

Oogenesis

The production of mature egg cells

Spermatogenesis

The production of sperm

Independent assortment

The random seperation of homologous chromosomes

Genetic recombination

The regrouping of genes in an offspring that results in a genetic makeup that is different from that of the parents