In a testcross, the parent that is homozygous recessive for the genes being studied is called the testcross parent. The parent that has the dominant phenotype of the genes being studied is called the non-testcross parent. Which of the following is NOT a reason that a testcross is a useful technique when studying the inheritance of a trait? a. A testcross can determine if an individual with the dominant phenotype is homozygous or heterozygous. b. The relative frequencies of the different phenotypes among the testcross progeny can be used to map linked genes. c. Because the testcross parent can contribute only recessive alleles, the alleles contributed by the other parent will be expressed in the offspring of the testcross. d. The gametes produced by the testcross parent are determined from the testcross progeny.
In a testcross, the parent that is homozygous recessive for the genes being studied is called the testcross parent. The parent that has the dominant phenotype of the genes being studied is called the non-testcross parent. Which of the following is NOT a reason that a testcross is a useful technique when studying the inheritance of a trait? a. A testcross can determine if an individual with the dominant phenotype is homozygous or heterozygous. b. The relative frequencies of the different phenotypes among the testcross progeny can be used to map linked genes. c. Because the testcross parent can contribute only recessive alleles, the alleles contributed by the other parent will be expressed in the offspring of the testcross. d. The gametes produced by the testcross parent are determined from the testcross progeny.
Human Biology (MindTap Course List)
11th Edition
ISBN:9781305112100
Author:Cecie Starr, Beverly McMillan
Publisher:Cecie Starr, Beverly McMillan
Chapter19: Introduction To Genetics
Section: Chapter Questions
Problem 4CT: The young woman shown at right has albinismvery pale skin, white hair, and pale blue eyes. This...
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In a testcross, the parent that is homozygous recessive for the genes being studied is called the testcross parent. The parent that has the dominant phenotype of the genes being studied is called the non-testcross parent.
Which of the following is NOT a reason that a testcross is a useful technique when studying the inheritance of a trait?
Which of the following is NOT a reason that a testcross is a useful technique when studying the inheritance of a trait?
a. A testcross can determine if an individual with the dominant phenotype is homozygous or heterozygous.
b. The relative frequencies of the different phenotypes among the testcross progeny can be used to map linked genes.
c. Because the testcross parent can contribute only recessive alleles, the alleles contributed by the other parent will be expressed in the offspring of the testcross.
d. The gametes produced by the testcross parent are determined from the testcross progeny.
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