Modeling Mitosis To model mitosis you will use pairs of model chromosomes (Figur
ID: 88365 • Letter: M
Question
Modeling Mitosis
To model mitosis you will use pairs of model chromosomes (Figure 4) to represent the pairs of homologous chromosomes. Each model chromosome has two sister chromatids. Thus, you will model mitosis, beginning after the DNA has been copied and wound tightly into sister chromatids.
In the two model chromosomes, one has the A and S alleles and the other has the a and s One model chromosome has a stripe on both chromatids and the other model chromosome has no stripe; this indicates that, although these two homologous chromosomes have the same genes, they have different alleles for many of the genes.
Which alleles are present in each daughter cell produced by mitosis?
a. AA and SS b. Aa and Ss c. aa and ssExplanation / Answer
The correct option will be B. Aa and Ss alleles will present in each daughter cell. As after DNA replication, when cell enter meiosis, recombination occurs, this will form Aa and Ss.
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