Use the product rule to determine the chance of obtaining an offspringwith the genotype Rr Yy from a dihybrid cross between parents withthe genotype Rr Yy.a. ½ c. 1/4b. ¼ d. 1⁄16
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Use the product rule to determine the chance of obtaining an offspring
with the genotype Rr Yy from a dihybrid cross between parents with
the genotype Rr Yy.
a. ½ c. 1
/4
b. ¼ d. 1
⁄
16
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- Considering only the five genes A, B, C, D, and E, how many genetically distinct gametes (i.e. gametes withdifferent genotypes) could be produced through independent assortment by an individual with the genotypeAABbCcDDEe? a. 4b. 8c. 16d. 64What sex is the normal human karyotype displayed here? (look at picture) A. Male B. FemaleAssuming no gene linkage, in a dihybrid cross ofAABB x aabb with AaBb F1 heterozygotes, what is the ratio of the F1 gametes (AB, aB,Ab, ab) that will give rise to the F2 offspring? a. 1:1:1:1 b. 1:3:3:1 c. 1:2:2:1 d. 4:3:2:1
- Give the genotype of the parents if their phenotypic ratios are the following. You may use any letter to represent the gene pairs. Perform trial and error in determining the possible genotypes of the parent using Punnett Square. a. 3:1 b. 1:1Why is there no trait (letter) on the y chromosome for males in this pedigree? A. Because the trait is X-linked (on the X chromosome) B. Because Ms. Premo made a mistake C. Because we never write anything on the y chromosomeTwo summer white squashes with genotype WwYy were crossed (W= white color, Y=yellow color, w and y= green color) W is epistatic to Y and y. What would be the different colors of summer squashes obtained out of the above cross? (2 pts.) A. 12 white: 3 yellow:1 green B. 12 yellow: 3 white: 1 green C. 12 green: 1 white: 3 yellow D. 12 yellow: 3 green: 1 white
- The monohybrid crossing of heterozygous organism is analyzed. Which distribution of progeny genotypes will be: Select one: O a. 3:1 O b. 1:2:1 O C. 1:1 d. 9:3:3:1 O e. 9:7which is male with small testes, enlarged breasts, The genotype XXY corresponds to and decrease in body hair. a. Turner syndrome O b. Triplo-X Oc. Klinefelter syndrome d. Jacob syndromeGive the genotype of the parents if their phenotypic ratios are the following. You may use any letter to represent the gene pairs. Perform trial and error in determining the possible genotypes of the parent using Punnett Square. You do not have to write the solution in your answer sheet. а. 3:1 b. 1:1
- Assume that one of Merida's sons, who is heterozygous for orange hair color, married a girl that was also heterozygous. Create a Punnett square to show the possibilities that would result if they had children. a. List the possible genotypes and phenotypes for their children. b. What are the chances of a child with orange hair? c. What are the chantes of a child with yellow?Give the genotype of the parents if their phenotypic ratios are the following. You may use any letter to represent the gene pairs. Perform trial and error in determining the possible genotypes of the parent using Punnett Square. You do not have to write the solution in your answer sheet. a. 3:1 b. 1:1The pea plants used in Mendel’s genetic inheritance studies were diploid, with 14 chromosomes in somatic cells. Assuming no crossing over events occur, how many unique gametes could one pea plant produce? a. 28 b. 128 c. 196 d. 16,384