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Principles Of Genetics Quiz 13 (30 MCQs)

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1. The trait appears only in the absence of the other alleles
2. What is the product of meiosis I?
3. Chromosomes that carry genes that code for the same products, such as hemoglobin or eye pigment, are said to be:
4. One dog carries homozygous, long-haired traits (SS), and its mate carries homozygous short-haired traits (ss). Use a Punnett square to determine the probability of one of their offspring having long hair.
5. What is it called when one allele is not completely dominant over another. As a result, the heterozygous phenotype is intermediate between the two homozygous phenotypes.
6. Gregor Mendel concluded that traits are
7. What are the physical traits of an organism, determined by the genotype?
8. Which of the following is the main reason Punnett Squares are useful?
9. The long, threadlike structures that are located in the nucleus of each cell in the body are called .....
10. Who is called the "Father of Genetics"?
11. What is the genotype of a person who has type B blood but their parent had type O blood?
12. Select the correct genotype:Heterozygous
13. Which of the following genetic screening techniques is BEST used to see how genes are passed on from one generation to the next?
14. In rabbits, there are four different versions of the gene for coat color. What pattern of inheritance is this?
15. Physical characteristics of an organism.
16. Crossing over during Prophase 1 of Meiosis is important because .....
17. The Austrian Monk who discovered the basic principles of heredity was .....
18. The tectonic plates move due to the convection cycles within the mantle of the Earth. A pot of water on a hot stove also has convection cycles that heat up the water. Which of the following best describes what convection is?
19. The process in which characteristics are passed from parents to offspring is known as .....
20. Succulents, like cacti and aloe, are plants that can store water in their leaves or stems. Succulents often have multiple methods of reproduction. Which of the following reproductive methods represents sexual reproduction?
21. If man has type a blood, he can be:
22. The random change in the ratio of alleles in a population over time is known as .....
23. Strands of DNA that are twisted together are called -
24. What special type of inheritance involves both alleles being dominant for a trait, and both being shown equally?
25. Heterozygous alleles are also considered to be:
26. Two or more genes interact to produce a single trait.
27. Of 12 hamsters just born, 9 have brown fur and 3 have white fur. The trait for white fur is considered to be .....
28. A ..... allele is represented by lowercase letters and will only show up if paired with a similar allele.
29. What did Mendel observe in the F2 offspring that showed him that the alleles for seed shape segregate independently of those for seed color?
30. The number of possible genetically different gametes for an organism equals 2N, where N is the number of pairs of chromosomes. If an organism has four pairs of chromosomes, how many different gametes can it produce?
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