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8 Cards in this Set

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gamete =
germ-cell

either sperm or egg
only the spermatogonium and the oogonium undergo meiosis
all other cells are somatic cells and undergo mitosis only
prophase 1

(after replication of chromosomes)
homologous chromosomes line up alongside each other,

cross-over occurs

tetrad, chiasma = shape they take when crosing over occurs
metaphase 1
tetrads align at the center
anaphase 1
homologues are separated from their partners
telophase 1
nuclear membrane reforms, cytokinesis occurs

=> new cells are now haploid, w/ 23 replicated chromosomes
incomplete dominance =>
a blending of the two alleles
co-dominance =>
BOTH expressed at the same time

like with AB blood types

NOT a blending like with incomplete dominance