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Principles Of Genetics Quiz 3 (20 MCQs)

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1. What is it called when both alleles are dominant. As a result, the heterozygous phenotype is a combination of each homozygous phenotype.
2. What's a dominant allele?
3. When Mendel crossed purebred pea plants having green pods with purebred plants have yellow pods the offspring were all
4. Which sex chromosomes would indicate a typical human male?
5. In mussels, the allele for brown coloring (B) is dominant, and the allele for blue coloring(b) is recessive. For which parental genotypes are 100% of the offspring expected to be blue?
6. What does the notation TT indicate to geneticists studying this family of newly discovered dragons?
7. In the P generation, a tall plant is crossed with a short plant. The probability that an F2 plant will be tall is
8. A well-substantiated explanation of some aspect of the natural world, based on a body of facts that have been repeatedly confirmed through observation and experiment
9. Which of the following supports the claim that the environment can affect genetic traits?
10. An individual with two different alleles for a specific trait is said to be .....
11. Dominant alleles are-
12. What is the relationship between phenotype and genotype?
13. Jamal was creating a science-fair model for each of the three types of boundaries between Earth's tectonic plates. What are the three types of boundaries?
14. When one allele is dominate and the other is recessive
15. An organism's expressed physical trait, such as color or shape, is called its
16. The observable traits of an organism are known as its
17. A cell with only one set of chromosomes is called ..... and abbreviated as .....
18. If a plant that has round seeds has a parent that has wrinkled seed, what is its genotype? Assume that round is dominant.
19. Pea plants can have green or yellow seeds. In a pea plant that is heterozygous for seed color, the allele for yellow seeds masks the effects of the allele of green seeds. Which of the following terms best describes the allele for yellow seeds?
20. What does phenotype mean?
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