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MCAT Biology Practice Test 5: Genetics and Evolution
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MCAT Biology Practice Test 5: Genetics and Evolution
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25 Questions

1. Which is NOT true of human chromosomes?
2. A centimorgan is
3. Genes that are located on different chromosome pairs
4. Which of the following is the best reference to the Law of Segregation?
5. What cell collection method is best associated with fetal karyotyping?
6. Which of the following is NOT true concerning the process of meiosis?
7. Which of the following is the most probable expression of epistasis?
8. When determining a karyotype, what chemical is commonly added to the collected cells to better observe the chromosomes?
9. Which of the following is true about a human male’s karyotype?
10. A mutation is most correctly defined as
11. What would be the most likely result if a person had a deletion mutation in a gene that codes for a single tRNA?
12. Klinefelter’s syndrome is indicated by an XXY sex chromosome combination. This abnormality is due to:
13. A simple-dominance monohybrid test crossed with a heterozygote will result in a ratio of
14. Which of the following is true about mitochondrial genetics?
15. By convention, a genotype of RR would indicate
16. Identify the result of incomplete dominance.
17. A phenotypic cure:
18. When a mother cell gives rise to four genetically different daughter cells, the process is known as
19. Suppose that, during ovum formation in the ovary, nondisjunction of the X chromosomes occurred and produced two ova genotypes. If these two were fertilized normally, what are the possible resulting genotypes?
20. To express an X-linked recessive trait
21. Which of the following genetic conditions confers both an affliction and an advantage on an individual?
22. If a person acquired a mutation that was detected in the DNA but that did not change any protein, then which of the following CANNOT be true?
23. A syndrome is a
24. What is the best way to express the difference between a genotype and a genome?
25. _____ is a genetic disorder in which the individual has a mutation in an ion channel protein.

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