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Principles Of Genetics Quiz 7 (20 MCQs)

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1. In guinea pigs, short fur (S) is dominant to long fur (s) and brown fur (B) is dominant to white fur (b). A Heterozygous brown guinea pig with long fur is crossed with a white guinea pig that is heterozygous for short fur. What is the probability that the offspring will be brown with long fur?
2. What is another name for heterozygous?
3. Different forms of the same gene
4. When an organism has two different alleles, it is called
5. What is the term for the different "flavors" or versions of genes?
6. Who is known as father of genetics?
7. Normal red blood cells slide easily through narrow blood vessels. In sickle cell disease, many red blood cells change to a crescent shape like a slender moon. Crescent-shaped blood cells cause blockages in blood vessels. These blockages decrease the transport of oxygen. People with sickle cell disease often have sharp pains due to the lack of oxygen in parts of the body.Sickle cell disease is caused by an abnormal type of red blood cell gene inherited by the parents. What is the name for different forms of the same gene?
8. Which of the following are shown in a karyotype?
9. Examples are:Temperature, Time and pH
10. Trait
11. Situations in which one allele for a gene is not completely dominant over another allele for that gene are called
12. A scientist is observing pea plant seed color and seed shape. This data will be used to predict future offspring. What tool should be used to show the data being tracked?
13. When one allele is not dominant over the other, the heterozygous phenotype is a blend of the two (such as pink flowers from a red flower parent and white flower parent)
14. Which of the following would produce a recessive phenotype?
15. The study of heredity is known as
16. A trait that is masked unless 2 copies are present is .....
17. Another name for sex cells or reproductive cells is
18. Which statement does not describe sexual reproduction
19. What is a Genotype?
20. Human females produce egg cells that have
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