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Bio Meiosis Unit

Meiosis quiz 2017

TermDefinition
duplicate replicate
gonads ovaries or testes
gonads reproductive organs
gametes egg or sperm
gametes sex cells
meiosis reduction division
where meiosis occurs in the gonads
meiosis cell division to produce sex cells
diploid 2n, normal body cell
haploid n, sex cell
primary sex cell 2n, cell that will divide by meiosis, found in the gonads
In humans, 23 pairs = 46 chromosomes Normal cell
In humans, 23 chromosomes (not paired) are found in a Sex Cell
homologous chromosomes one pair of of chromosomes
tetrad two pairs of "sister" homologous chromosomes
synapsis when sister chromosomes join together to form a tetrad
crossing over genetic material mixes when chromosomes are in tetrads
Prophase 1 genetic variation can occur when chromosomes form tetrads in this phase
Metaphase 1 genetic variation can occur when chromosomes line up randomly in this phase
Independent assortment Random assortment
fertilization egg and sperm meet
zygote New cell formed when egg and sperm meet
asexual reproduction clone cells are made by mitosis
2 ways genetic variation occurs crossing over and independent assortment
cells produced by meiosis sex cells or gametes
cells produced by mitosis normal body cells or clones
Created by: Freshmensphs