In pea plants, the "L" allele, which indicates smooth seeds, is dominant over the "l" allele, which indicates rough seeds, and the "A" allele, which indicates yellow color, is dominant over the "a" allele, which indicates green color. If a yellow smooth pure variety is crossed with a green wrinkled pure variety.

In pea plants, the "L" allele, which indicates smooth seeds, is dominant over the "l" allele, which indicates rough seeds, and the "A" allele, which indicates yellow color, is dominant over the "a" allele, which indicates green color. If a yellow smooth pure variety is crossed with a green wrinkled pure variety.

Name: In pea plants, the "L" allele, which indicates smooth seeds, is domina
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Description: In pea plants, the "L" allele, which indicates smooth seeds, is dominant over the "l" allele, which indicates rough seeds, and the "A" allele, which indicates yellow color, is dominant over the "a" allele, which indicates green color. If a yellow smo

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter8: Patterns Of Inheritance

Section: Chapter Questions

Problem 2ACQ: Figure 8.10 In pea plants, purple flowers (P) are dominant to white (p), and yellow peas (Y) are...

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B. Considering the Mendelian traits round versus wrinkled and yellow versus green, consider the crosses below and determine the genotypes of the parental plants by analyzing the phenotypes of their offspring. Parental Plants Offspring 1. round, yellow x round, yellow 3/4 round, yellow 1/4 wrinkled, yellow 2. wrinkled, yellow x round, yellow 6/16 wrinkled, yellow 2/16 wrinkled, green 6/16 round, yellow 2/16 round, green 3. round, yellow x round, yellow 9/16 round, yellow 3/16 round, green 3/16 wrinkled, yellow 1/16 wrinkled, green round, yellow * wrinkled, green 1/4 round, yellow 1/4 round, green 1/4 wrinkled, yellow 1/4 wrinkled, green
Tallness (T) in a certain plant is dominant to short (t), while red (R) flower color is dominant to yellow (r). The heterozygous condition results in orange (Rr) flower color. A short plant with red flowers, is crossed with a plant homozygous for tallness and yellow flowers. What would be the genotype and phenotype of the F1 individuals? ttRr—short and orange ttrr—short and yellow TtRr—tall and red Ttrr—tall and yellow TtRr—tall and orange
You carry out a trihybrid cross (a cross in which the parental plants differ for three characters) between a tall pea plant with round, yellow seeds (TT RR YY) and a short pea plant with wrinkled, green seeds (tt rr yy). The parental plants are homozygous for all of the three characters. They are crossed to produce the F1 generation. Tall, round, and yellow are the dominant traits for each character. What will be the phenotypes of the F1 generation?
1. A What would be the genotype(s) and phenotype(s) of the offspring when a heterozygous corn plant is bred with a homozygous plant with purple kernels? Show your work in a Punnett square and explain why you would get the proposed offspring (demonstrate your understanding of inheritance in terms of genotype and phenotype). 1. B What would be the genotype(s) and phenotype(s) of the offspring when a heterozygous corn plant is bred with another heterozygous corn plant? Show your "reasoning" with a Punnett square.
Dominant and recessive alleles of a gene in garden peas, G and g, cause seeds to be yellow and green, respectively. Dominant and recessive alleles, F and f, of another gene cause seeds to be spotted or not with violet color, respectively. A plant of genotype GGFF is crossed with a plant of genotype ggff, and the F1 are allowed to self-fertilize. The phenotypes and numbers of F2 progeny are shown below: Phenotype of F2 Number yellow, spotted 89 green, spotted 31 yellow, not spotted 29 green, not spotted 11 Are the G,g and F,f genes linked?
In radishes, flower color may be red, purple, or white. The edible portion of the radish may be long or oval. When only flower color is studied, no dominance is evident, and red x white crosses yield all purple. Determine the appropriate allele symbols and indicate which genotypes lead to which phenotypes. If the F1 purple plants described above are interbred, what will be the genotype and phenotype ratios in the F2 generation? Regarding radish shape, long is dominant to oval in the typical Mendelian fashion. What will be the phenotype ratios in the F2 generation of a cross between a true-breeding red, long radish and a white, oval radish?
When crossing 2 different parental strains of plants to establish the F1 generation, one of the assumptions that must be made in order to predict what the F1 phenotype will be is that.... both parsnts are heterozygous both parents are homozygous dominant both parents are homozygous recessive each patent is homozygous dominant for one trait and homozygous recessive for each other
Figure 8.10 In pea plants, purple flowers (P) are dominant to white (p), and yellow peas (Y) are dominant to green (y). What are the possible genotypes and phenotypes for a cross between PpYY and ppYy pea plants? How many squares would you need to complete a Punnett square analysis of this cross?
Sunflowers with flowers 10 cm in diameter are crossed with a plant that has 20-cm flowers. The F1 plants have flowers 15 cm in diameter. In the F2 generation, 4 flowers are 10 cm in diameter and 4 are 20 cm in diameter. Between these are 5 phenotypic classes with diameters intermediate to those at the extremes. a. Assuming that the alleles that contribute to flower diameter act additively, how many genes control flower size in this strain of sunflowers? b. How much does each additive allele contribute to flower diameter? c. What size flower makes up the largest phenotypic class?
What color are all the kernels in the F1 generation? a. All black b. All yellow c. A mixture of black and yellow What color kernels are dominant based on these results? a. Black b. Yellow c. Neither Which color is recessive based on these results? a. Black b. Yellow c. Neither What genotype(s) produce a black phenotype in the corn kernels? (Use "R" to represent dominant alleles, and "r" to represent recessive alleles) a. RR b. Rr c. rr What is/are the genotype(s) of the yellow kernels on the F2 ear? a. RR b. Rr c. rr
Q. In tomato plants, three genes are linked on the same chromosome. Tall is dominant to short, skin that is smooth is dominant to skin that is peachy (fuzzy), and fruit with a (wild-type) round tomato shape is dominant to fruit with an oblate (flattened) shape. A plant that is true-breeding for dominant traits was crossed to a short plant with peachy skin and oblate fruit. The F1 plants were then testcrossed to short plants with peachy skin and oblate fruit. The following results were obtained for the F2 offspring. 151 tall, smooth, normal 33 tall, smooth, oblate 11 tall, peachy, oblate 2 tall, peachy, round 155 short, peachy, oblate 29 short, peachy, round 12 short, smooth, round O short, smooth, oblate Construct a genetic map that shows the order of these three genes and the map distances between them. Also, could you please make a simple three factor cross representation so that I could understand it.
Considering the Mendelian traits round versus wrinkledand yellow versus green, consider the crosses belowand determine the genotypes of the parental plants byanalyzing the phenotypes of their offspring.Parental Plants Offspring(a) round, yellow * round, yellow 3/4 round, yellow1/4 wrinkled, yellow(b) wrinkled, yellow * round, yellow 6/16 wrinkled, yellow2/16 wrinkled, green6/16 round, yellow2/16 round, green(c) round, yellow * round, yellow 9/16 round, yellow3/16 round, green3/16 wrinkled, yellow1/16 wrinkled, green(d) round, yellow * wrinkled, green 1/4 round, yellow1/4 round, green1/4 wrinkled, yellow1/4 wrinkled, green