Miesis
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10 Terms
Somatic cells
Body cells that are diploid (2n). Examples include blood cells, lung cells, muscle cells, and heart cells.
Gametes
Reproductive cells that are haploid (n). Examples include eggs and sperm.
Diploid Cells
Cells with 2 full sets of chromosomes (2n), one set from each parent. In human somatic cells, 2n = 46.
Haploid Cells
Cells with 1 full set of chromosomes (n), which is a combination from parents. Example: gametes such as egg and sperm, where n = 23.
Autosomes
Chromosomes that carry traits that make you who you are; there are 22 pairs of autosomes.
Sex Chromosomes
Chromosomes that carry traits that make you who you are and contribute to your biological sex; the 23rd pair (X or Y).
Sexual reproduction
Reproduction where organisms fuse genetic information (gametes) from two parents to produce offspring, creating a genetic mixture.
Fertilization
The fusion of egg and sperm to form a zygote.
Homologous chromosomes
Chromosome pairs that have the same types of genes, with one chromosome inherited from each parent.
Sister chromatids
Two identical copies of the same chromosome.
Flashcards (44)