Karyotype

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5 Terms

1
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What is a karyotype?

A set of chromosomes

  • Chromosome 1 = longest

  • Last chromosome = shortest

2
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How many chromosomes are in

  • Cats and swine

  • Cattle and goats

Cat and swine: 2n = 38 chromosomes

  • 36 autosomes

  • 2 sex chromosomes

Cattle and goats: 60 chromosomes

  • 29 autosomal pairs

  • 1 pair sex chromosomes

3
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What is genetic variation

Differences between members of the same species or different species

4
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What is trisomy

3 copies of a chromosome or part of a chromosome

  • EX: normal chromosome number increased by 1 to 39

5
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What is triploidy?

3 copies of every chromosome

  • EX: normal chromsome number increased by 19 to 57