Suppose that you are using colored beads attached to yarn as a model representing alleles of genes on chromosomes. This model could be used to show that independent assortment results in gametes containing
A.
B.
C.
D.
Correct. See Key Concept 12.1 Inheritance of Genes Follows Mendelian Laws
Incorrect. See Key Concept 12.1 Inheritance of Genes Follows Mendelian Laws
Animation 12.1 Quiz
Two genes coding for proteins involved in glycolysis reside on the same chromosome. Can these genes assort independently?
A.
B.
C.
D.
Correct. See Key Concept 12.4 Genes Are Carried on Chromosomes
Incorrect. See Key Concept 12.4 Genes Are Carried on Chromosomes
Animation 12.1 Quiz
Refer to the figure below.
The figure shows one possible alignment of two chromosomes during metaphase I of meiosis. Which diagram represents another possible alignment of these chromosomes?
A.
B.
C.
D.
Correct. See Key Concept 12.1 Inheritance of Genes Follows Mendelian Laws
Incorrect. See Key Concept 12.1 Inheritance of Genes Follows Mendelian Laws
Animation 12.1 Quiz
Suppose cells with the genotype SsYyRr undergo meiosis. Assume that the S, Y, and R genes are each on different chromosomes. Construct a model on paper to demonstrate how these alleles sort independently to produce gametes. According to your model, how many different gametes are possible?
A.
B.
C.
D.
Correct. See Key Concept 12.1 Inheritance of Genes Follows Mendelian Laws
Incorrect. See Key Concept 12.1 Inheritance of Genes Follows Mendelian Laws