Level Genetics Review Genetics Worksheets With Answers Page 4
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633. Let b=colorblind, B=normal vision
a. Genotype(s) of colorblind male X
Y
b
b. Genotype(s) of colorblind female X
X
b
b
c. Genotype(s) of carrier female
X
X
B
b
d. Genotype(s) of normal male
X
Y
B
e. Genotype(s) of normal female X
X
B
B
34. Give the possible genotypes of the parents of a colorblind daughter.
X
X
x X
Y
B
b
b
35. Who is more likely to have a sex-linked recessive disorder, males or females? males
36. Hemophilia or “bleeding disease” is due to a recessive sex-linked gene (h). A woman whose father
was hemophilic, but was not a bleeder herself, marries a normal man. What is the chance of
hemophilia being present among her children?
Dad- X
Y
Daughter X
X
Normal Husband X
Y
h
H
h
H
None of their daughters would have it and there is a 50% chance the sons will have it.
37. What is a karyotype, and what kind of genetic disorders can be detected by this procedure? Picture of
chromosomes
38. What does the diagram above represent? Normal male
49. What type of organism is it? Karyotype
40. Does this karyotype show any abnormalities? no
41. Which chromosomes represent the autosomes? 1- 22
42. Which chromosomes represent the sex chromosomes? X and Y
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