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the biochemical units of heredity that make up the chromosomes; a segment of DNA capable of synthesizing a protein
the cell resulting from the union of an ovum and a spermatozoon (including the organism that develops from that cell)
located one on each side of the uterus in the female pelvis, functioning to secrete estrogen and progesterone
chromosomes that have the same sequence of genes, that have the same structure, and that pair during meiosis
the appearance of the chromosomal makeup of a somatic cell in an individual or species (including the number and arrangement and size and structure of the chromosomes)
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