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Assuming simple dominance for both loci, what phenotypic ratio would you expecte

ID: 84095 • Letter: A

Question

Assuming simple dominance for both loci, what phenotypic ratio would you expected from the following cross: A/a; B/b X a/a; b/b a. 3: 1 b. 1: 1 c. 9: 3: 3: 1 d. 1: 1: 1: 1 e. 1: 2: 1 If a woman with normal color vision, whose father was red-green color blind, has a child with a man who is red-green color blind, what is the probability the child will be a red-green color blind female? a. 1 b. 3/4 c. 1/2 d. 1/4 e. 0 Which of the following processes produces new alleles? a. segregation b. independent assortment c. random mating d. crossing over e. mutations Two loci (A and B) are located on the same chromosome 10 map units apart. How many of the progeny will display the parental phenotypes if the following individuals are crossed? AB/ab x ab/ab a. 100% b. 90% c. 50% d. 25% e. 5% A pre mRNA contains 18% uracil. What is the CG content of the DNA sequence that was transcribed to make this pre mRNA? a. 64% b. 36% c. 32% d. 18% e. it can not be determined An enzyme which phosphorylates specific targets is referred to as a. phosphatase b. kinase c. transferase d. transposase e. ligase

Explanation / Answer

1)d 1:1:1:1. All forms will be in the same ratio as there are different alleles involved.
2) d 1/4
3)e-mutations
4) b-90%

5)b -36%

6)6-a phosphates