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11 Cards in this Set
- Front
- Back
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Name the two types of human chromosomes:
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sex chromosomes and autosomes
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Which chromosomes carry the genetic information for most physical and chemical traits?
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autosomes
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Which chromosomes carry the genetic information for male or female humans?
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sex chromosomes X and Y
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Which combination of X and Y chromosomes are women?
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XX
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Which combination of X and Y chromosomes are men?
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XY
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Who contributes the X or Y chromosome that determines the sex of a child?
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father X or Y
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How many chromosomes are in a human gamete? Are they identical?
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23 and no
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What is nondisjunction?
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The improper division of a cell during meiosis or mitosis that causes the daughter cells to have more or less chromosomes than normal.
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What is trisomy?
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When an individual has three chromosomes at a homologous pair instead of two.
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What is monosomy?
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when a homologous pair has only one chromosome
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What is a karyotype?
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A karyotype is a photograph of an individual's chromosomes place into homologous pairs.
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