Biology
11th Edition
ISBN: 9781259188138
Author: Peter H Raven, George B Johnson Professor, Kenneth A. Mason Dr. Ph.D., Jonathan Losos Dr., Susan Singer
Publisher: McGraw-Hill Education
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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
If several pea plants with the genotype TtYy are crossed with pea plants with the genotype TtYy, what is the probability of producing the genotype TTYY in offspring?
A. 1/16
B. 1/2
C.1/4
D.1/8
If a Mendel's dihybrid cross between two double heterogotes (AaBb x AaBb), assuming that the dominant allele is completely dominant over the recessive allele, what should be the phenotypic ratio of the progeny?
A.
3:1
B.
9:3:3:1
C.
4:4:4:4
D.
9:3:4
Chapter 12 Solutions
Biology
Ch. 12 - What property distinguished Mendels investigation...Ch. 12 - The F1 generation of the monohybrid cross purple...Ch. 12 - The F1 plants from the previous question are...Ch. 12 - In a cross of Aa Bb cc X Aa Bb Cc, what is the...Ch. 12 - An organisms __________ is/are determined by its...Ch. 12 - Phenotypes like height in humans, which show a...Ch. 12 - Japanese four oclocks that are red and tall are...Ch. 12 - If the two genes in the previous question showed...Ch. 12 - What is the probability of obtaining an individual...Ch. 12 - Prob. 4A
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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
- what is the typical expected ratio of a dihybrid cross between two heterozygote parentals, in the F2 generation? A. all parental phenotype B. all recombinant phenotype C. 3:1 D. 9:3:3:1 arrow_forwardWhat is the probability that the offspring from a cross of true-breeding heterozygous plants will show the dominant trait? A. 0 B. 1/4 C. 3/4 D. 1arrow_forwardYou come across a pea plant with yellow round peas but you aren't sure about it's genotype. 1. a. What are all the possible genotypes this plant could have? I b. In order to determine which genotype is correct you could do a test cross. Use one of the genotypes from 'a' and write out a test cross and the predicted progeny. C. Use another of the genotypes from 'a' and write out a test cross and the predicted progeny, clearly indicating how the progeny would be different and in different proportions depending on the genotype from 'a'.arrow_forward
- What is the difference between a monohybrid cross and a dihybrid cross? A. A monohybrid cross involves a single parent, whereas a dihybrid cross involves two parents. B. A monohybrid cross produces a single progeny, whereas a dihybrid cross produces two progeny. C. A monohybrid cross involves organisms that are heterozygous for a single trait, whereas a dihybrid cross involves organisms that are heterozygous for two traits. D. A monohybrid cross is performed only once, whereas a dihybrid cross is performed twice.arrow_forwardIn humans, potential or expecting parents can be tested for the presence of the allele for the autosomal recessive cystic fibrosis. Which combination of parents are LEAST likely to produce a child with cystic fibrosis? A. 2 parents with cystic fibrosis B. 2 parents without cystic fibrosis C. 1 parent without cystic fibrosis and 1 with cystic fibrosis D. 2 parents who do not know if they have cystic fibrosisarrow_forwardBased on Mendel’s experimental crosses, what is the expected F2phenotype ratio of a single-factor cross?a. 1:2:1b. 2:1c. 3:1d. 9:3:3:1e. 4:1arrow_forward
- 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. 64arrow_forwardWhat does a bell-shaped curve of a graph indicate? A. Mendelian inheritance pattern B. Incomplete dominance C. Codominance D. Continuous variationarrow_forwardThe 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. 16,384arrow_forward
- Which recombination frequency corresponds to perfect linkage and violates the law of independent assortment? a. 0 b. 0.25 c. 0.50 d. 0.75arrow_forwardWhich evidence supports Mendel’s law of independent assortment? A. In a monohybrid cross, both traits appear in the offspring. B. In a monohybrid cross, only the dominant traits appear in the offspring. C. In a dihybrid cross, only the dominant traits appear in the offspring. D. In a dihybrid cross, all four traits appear in all combinations in the offspring.arrow_forwardIf you are working to solve for the relative distances between a cat's genes for fur color, where gene X has alleles X and x and gene Y has alleles Y and y that follow an autosomal dominant pattern of inheritance, which test-cross should you perform to determine a genetic map? A. XxYy x XxYy B. XXYY x xxyy C. XxYy x xxYy D. XxYy x xxyyarrow_forward
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