Level Genetics Review Genetics Worksheets With Answers Page 5
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643. How many chromosomes are shown in the karyotype above? 46
44. Describe the karyotype of the following genetic disorders:
a. Down’s syndrome- 3 #21 chromosomes
b. Klinefelter’s syndrome- XXY
c. Turner’s syndrome- only one X
45. Write the genotypes for the following individuals:
a. Normal male XY
b. Normal female XX
c. Turner’s syndrome XO
d. Klinefelter’s syndrome XXY
The diagrams below represent the sex chromosomes.
A.
B.
46. Is diagram A male or female?
Is diagram B male or female?
Female
Male
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