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17 Cards in this Set

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Homologous =
Term used to refer to chromosomes that each have a corresponding chromosome -from the opposite-sex parent
Diploid =
A cell that contains both sets of homologous chromosomes
2n
Haploid =
A cell that contains only a single set of chromosomes and therefore only a single set of genes
1n
Meiosis =
Process by which the number of chromosomes per cell is cut in half through the separation of homologous chromosomes in a diploid cell
tetrad =
Structure containing 4 chromatids that forms during meiosis
Crossing Over =
Process in which homologous chromosomes exchange portions of their chromatids during meiosis
Human cells have how many chromosomes?
46 chromosomes in 23 pairs
Gamates =
Fancy word for egg and sperm
Are body cells 1n or 2n?
2n
Meiosis =
Process to turn body cells (in ovaries and testes) into egg and sperm
Meiosis =
Double division of a cell
Fertilization =
When sperm nucleus meets egg nucleus, thus have 2n again
Zygote =
Fertilized Egg
Homologous Pairs
Two pairs of sister chromatids – during prophase
Is an egg or sperm 1n or 2n?
1n
Is a fertilized egg 1n or 2n?
2n
Is a zygote 1n or 2n?
2n