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Test: Genetics
1. | Females have two X chromosomes, while males have only one. Most of the genes on the X chromosome, however, are expressed at the same level in both females and males. Which of the following statements regarding X chromosomes is correct? |
The nuclei of cells in males contain Barr bodies.
Female homozygotes are mosaics.
XIST RNA coats one copy of the X chromosome in females
Calico cats are almost always males.
Jordan
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Ferris State University, Bachelor of Science, Biotechnology. Baylor College of Medicine, Doctor of Science, Genetics.
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