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5
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A medical condition in which the ability of the blood to clot is severely reduced.
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7
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Sexual reproduction is a process that creates a new organism by combining the genetic material of two organisms.
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8
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A organized structure of DNA and protein found in cells.
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12
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A chromosomal disorder that affects only males. Males with this condition are born with at least one extra X chromosome.
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13
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A chromosome involved with determining the sex of an organism, typically one of two kinds.
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14
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A unit of heredity that is transferred from a parent to offspring
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16
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States that allele pairs separate or segregate during gamete formation, and randomly unite at fertilization.
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17
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The process by which a cell separates the chromosomes in its cell nucleus into two identical sets, in two separate nuclei.
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18
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Any cell of a living organism other than the reproductive cells.
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20
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A common birth defect that is usually due to an extra chromosome 21 (trisomy 21).
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1
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The entire set of genes in a cell, an organism, or an individual.
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2
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The study of heredity and the variation of inherited characteristics.
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3
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The process of creating an exact copy of a biological unit from which it was derived.
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4
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The passing on of physical or mental characteristics genetically from one generation to another.
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6
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Reproduction without the fusion of gametes.
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9
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A type of cell division that results in two daughter cells each with half the chromosome number of the parent cell.
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10
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The number and visual appearance of the chromosomes in the cell nuclei of an organism or species.
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11
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A condition that affects only girls and women, results from a missing or incomplete sex chromosome.
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15
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A full set of chromosomes
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19
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A mature sexual reproductive cell, as a sperm or egg, that unites with another cell to form a new organism.
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