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biology > chromosones > Flashcards

chromosones Flashcards

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1
Q

describe chromosomes

A
  • they’re long and thin thread like structures
  • its found in all nuclei of all cells that contain a nucleus
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2
Q

describe a karyotype

A

-it has a full set of chromosomes
-22 pairs are autosomes
- 1 pair is sex chromosome
- arranges in largest to smallest
-sex chromosomes are last

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3
Q

describe autosomes

A
  • AUTOSOMES are homologous.
  • they look the same in length
  • in the centromere of somatic cells
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4
Q

describe sex chromsomes

A
  • 1 pair of sex cells
  • xx (female chromosomes) are equal in size
  • xy (male chromosomes) are 2 different sizes
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5
Q

where is the gene and the sister chromatid

A

https://karimedalla.files.wordpress.com/2013/01/chromosome1.gif

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