Meiosis Review

Results in the formation of 2 daughter cells that are genetically identical to their parent cell

Results in four daughter cells, not genetically identical but contains same number of chromosomes

An extra copy of the 21st chromosome caused by an error in cell division

Out of control cell growth, too much cell division eventually develops into lumps or tumors known as cancer.

Asexual reproduction in which an individual develops from an unfertilized egg

Asexual reproduction where a body breaks off into several parts

Plants produced from already existing vegetative structures

Sexual reproduction occurs when sperm fertilizes an egg, asexual is reproducing with ones self, essentially cloning

Independent variation and random fertilization

Random distribution of HC during meiosis. Each 23 pairs separate individually

Random pairing up of chromosomes that are not factoring in crossing over

Diploid contain two copies of each chromosome, haploid only have one

They have not specialized into anything yet, so they can be used for medical studies

In meiosis one (pairs separate reducing by half)

Homologous Chromosomes pair up, crossing out to increase genetic variation. synapsis is the fusion of chromosomes

Meiosis two