Biology: Concepts and Applications (MindTap Course List)
10th Edition
ISBN: 9781305967335
Author: Cecie Starr, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 13, Problem 9SA
Assuming complete dominance, crosses between two dihybrid F1 pea plant, which are offspring from a cross
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b.
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c.
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d.
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The offspring of the cross AA × aa are______ . a. all AA c. all Aa b. all aa d. half are AA and half are aa
Choose the correct answer.
1.What are the phenotypes of the offspring that results from a cross between snapdragon plants that produce red (RR) and pink (Rr) flowers? (Incomplete dominance) *
a. 75% red, 25% pink
b. 50% red, 50% pink
c. 50% red, 25% pink, 25% white
d. 75% pink, 25% red
2. In Dalmatian dogs, the spotted condition (S) is dominant over non-spotted (s). A litter of 8 pups were found—four spotted and four non-spotted. Based on the appearance of the pups, what are the genotypes of the parents? *
a. Ss and Ss
b. SS and ss
c. Ss and ss
d. ss and ss
3.The allele for brown eye (B) is dominant to that of blue eye (b). A brown-eyed man with a blue-eyed mother marries a blue-eyed woman. What is the probability that the first child is blue-eyed? *
a. 25%
b. 75%
c. 50%
d. 100%
4.The gene for green seed coat (G) is dominant to the gene for yellow seed coat (g). A plant with a yellow seed coat is crossed with a plant with a green seed coat. Eight of the offspring had yellow…
Refer to question 5. Assuming complete dominance, the F2 generation will show a phenotypic ratio of______ . a. 3:1 b. 9:1 c. 1:2:1 d. 9:3:3:1
Chapter 13 Solutions
Biology: Concepts and Applications (MindTap Course List)
Ch. 13 - A heterozygous individual has _______ for a trait...Ch. 13 - An organisms observable traits constitute its...Ch. 13 - In genetics, F stands for filial, which means...Ch. 13 - The offspring of the cross AAaa are ________. a....Ch. 13 - The second-generation offspring of a cross between...Ch. 13 - Refer to question 4. Assuming complete dominance,...Ch. 13 - Independent assortment means _______. a. alleles...Ch. 13 - A testcross is a way to determine _________. a....Ch. 13 - Assuming complete dominance, crosses between two...Ch. 13 - The probability of a crossover occurring between...
Ch. 13 - True or false? All traits are inherited in a...Ch. 13 - One gene that affects three traits is an example...Ch. 13 - ________ in a trait is indicated by a bell curve.Ch. 13 - The phenotype of individuals heterozygous for...Ch. 13 - Match the terms with the best description. ___...Ch. 13 - Mendel crossed a true-breeding pea plant with...Ch. 13 - Assuming that independent assortment occurs during...Ch. 13 - Determine the predicted genotype frequencies among...Ch. 13 - Prob. 4GPCh. 13 - A single allele gives rise to the HbS form of...Ch. 13 - In sweet pea plant, an allele for purple flowers...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- A B C D E F 20 15 10 20 30 G 20 20 20 Using the map, what is the expected frequency of homozygous recessives (cd/cd) from a testcross of Cd/cD X cd/cd? . a. 20% b. 10% c. 5% d. this progeny class will not be formed e. none of the abovearrow_forwardIn incomplete dominance, one alle is not fully dominant over another, so the heterozygous phenotype is _______. A. an intermediate blend between the two homozygous phenotypes B. the same as homozygous recessive phenotype C. the same as the homozygous dominant phenotypearrow_forwardA Tt plant is crossed to a tt plant. What is the expected ratio of phenotypesfor offspring from this cross?a. 3 tall : 1 dwarfb. 1 tall : 1 dwarfc. 1 tall : 3 dwarfd. 2 tall : 1 dwarfarrow_forward
- Question 7/28 A tall pea plant is crossed with a short pea plant. All of the offspring that are produced are tall. Two of these tall offspring are crossed. The Punnett square for this second cross is shown below. TT 25% Tt 25% Tt 25% tt 25% What can be concluded from this cross? Tall pea plants can only produce tall offspring. B Tall pea plants can only produce short offspring.arrow_forwardA testcross is a way to determine_______ . a. phenotype b. genotype c. dominancearrow_forwardThe Camelia flower exhibits codominance with flowers being red, white, or white and red spotted. Determine the probability that a red flower crossed with a white and red flower will have a white offspring. O a. 0% O b. 50% O c. 25% O d. 75% e. 100%arrow_forward
- If these two individuals with the following characteristics are crossed Parent 1: blood type AB; heterozygous for H gene Parent 2: heterozygous B blood type; hh genotype What is the phenotypic ratio (blood type) of the F, generation? A. 4 AB: 1 A: 1 B: 2 0 B. 2 AB: 2 A: 4 B: no O C. 1 AB: 1 A: 2 B: 4 0 D. 1 AB: 1 A: 1 B: 10arrow_forwardPlease Aspaarrow_forwardLabrador retriever's fur color is controlled by two alleles, E and B. Any dog with the ee genotype develops into a yellow lab, while B_E_ dogs become black labs and bbE_ dogs become chocolate labs. This is an example of.__. a. epistasis b. codominance c. incomplete dominance d. linkagearrow_forward
- You have a pure breeding line of tall corn and a purebreeding line of short corn. When you cross them what do you expect the phenotype of the F1 to be? Group of answer choices A. impossible to tell with the information given B. all medium height C. 3/4 tall and 1/4 short D. all short E. all tallarrow_forwardAn organism has the genotype AaBbCc. What is the probability of producing a gamete that only has dominant alleles for these three genes? O A 6.25% O B. 12.5% O C. 25% O D. 50% red MacBook Air 000 D00 F4 F2 F3 F5 F6 F7 & 2. %24 %23arrow_forwardIn plant, tall plant (T) is dominant to dwarf plant (t) and axial flowers (A) is dominant to terminal flowers (a). A tall plant with axial flowers (TtAa) is crossed with dwarf plant with terminal flowers (ttaa). What percentage of the offspring will be tall with teminal flowers? A. 12.5% B. 100% C. 50% D. 25%arrow_forward
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