Two genes control fruit color in tomatos. Plants of genotype AABB were mated to plants of genotype aabb. The F1 were intermated to produce an F2 generation that consisted of 488 red and 381 yellow fruited plants. Which type of epistasis appears to be operating here? Select one: O a. Single Dominant Epistasis O b. Single Recessive Epistasis O c. Duplicate Recessive Epistasis O d. Duplicate Dominant Epistasis O e. Dominant/Recessive Interaction Of. Duplicate Genes with Cumulative Effect

Two genes control fruit color in tomatos. Plants of genotype AABB were mated to plants of genotype aabb. The F1 were intermated to produce an F2 generation that consisted of 488 red and 381 yellow fruited plants. Which type of epistasis appears to be operating here? Select one: O a. Single Dominant Epistasis O b. Single Recessive Epistasis O c. Duplicate Recessive Epistasis O d. Duplicate Dominant Epistasis O e. Dominant/Recessive Interaction Of. Duplicate Genes with Cumulative Effect

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Description: Two genes control fruit color in tomatos. Plants of genotype AABB were mated to plants ofgenotype aabb. The F1 were intermated to produce an F2 generation that consisted of 488 redand 381 yellow fruited plants. Which type of epistasis appears to be

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 1ACQ: Figure 8.9 In pea plants, round peas (R) are dominant to wrinkled peas (r). You do a test cross...

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Two genes control fruit color in tomatos. Plants of genotype AABB were mated to plants of genotype aabb. The F, were intermated to produce an F2 generation that consisted of 534 red and 116 yellow fruited plants. Which type of epistasis appears to be operating here? Select one: O a. Duplicate Dominant Epistasis O b. Single Dominant Epistasis O c. Single Recessive Epistasis O d. Dominant/Recessive Interaction O e. Duplicate Genes with Cumulative Effect O f. Duplicate Recessive Epistasis
Two genes control fruit color in tomatos. Plants of genotype AABB were mated to plants of genotype aabb. The F1 were intermated to produce an F2 generation that consisted of 540 red and 31 yellow fruited plants. Which type of epistasis appears to be operating here? Select one: O a. Duplicate Recessive Epistasis O b. Dominant/Recessive Interaction O c. Duplicate Genes with Cumulative Effect O d. Single Dominant Epistasis O e. Duplicate Dominant Epistasis O f. Single Recessive Epistasis
Two genes control fruit color in tomatos. Plants of genotype AABB were mated to plants of genotype aabb. The F, were intermated to produce an F2 generation that consisted of 109 orange, 455 red and 36 yellow fruited plants. Which type of epistasis appears to be operating here? Select one: a. Duplicate Genes with Cumulative Effect O b. Single Recessive Epistasis Dominant/Recessive Interaction O C. O d. Single Dominant Epistasis O e. Duplicate Dominant Epistasis O f. Duplicate Recessive Epistasis
A researcher crosses two white-flowered lines ofAntirrhinum plants as follows and obtains the followingresults:pure line 1 × pure line 2↓F1 all whiteF1 × F1↓F2 131 white29 reda. Deduce the inheritance of these phenotypes; useclearly defined gene symbols. Give the genotypes ofthe parents, F1, and F2.b. Predict the outcome of crosses of the F1 with eachparental line.
Figure 8.9 In pea plants, round peas (R) are dominant to wrinkled peas (r). You do a test cross between a pea plant with wrinkled peas (genotype rr) and a plant of unknown genotype that has round peas. You end up with three plants, all which have round peas. From this data, can you tell if the parent plant is homozygous dominant or heterozygous?
The F1 flies described in question 1 were mated with brown-eyed flies from a true-breeding line. What phenotypes would you expect the offspring to have? (a) all with red eyes (b) all with brown eyes (c) half with red eyes and half with brown eyes (d) red-eyed females and brown-eyed males (e) brown-eyed females and red-eyed males
) When the F1 bees were backcrossed to the inbred resistant line produced 4 types of offspring in equal numbers: ¼ if the back-cross offspring showed the complete hygienic behavior pattern ¼ of the back-cross offspring showed none of the elements of hygienic behavior ¼ of the back-cross offspring would uncap the cells of the diseased larvae but these workers would not remove the diseased larvae ¼ of the back-cross offspring would remove the diseased larvae (once the experimenter had uncapped the cells of the diseased larvae) Given the genetic model given in part d, do the backcross offspring in part c (from an F1 x resistant line) show evidence of linkage between the U and R gene loci? Give a reason for your answer.
In peas, yellow seed (Y) is dominant over green seed (y). Inthe F2 generation of a monohybrid cross that begins when adominant homozygote is crossed with a recessive homozygote,you would expecta. three plants with yellow seeds to every plant with greenseeds.b. plants with one yellow seed for every green seed.c. only plants with the genotype Yy.d. only plants that produce yellow seeds.e. Both c and d are correct.
In the four o’clock plant Mirabilis jalapa, leaf color is governed by organelle inheritance of eitherchloroplasts (green) or leucoplasts (white), or both (variegated). What are the F1 phenotypes from thefollowing crosses: Maternal Paternal F1a. green X green b. white X white c. green X white d. white X green e. variegated X variegated
In a test cross, peas of an unknown genotype are crossed with peas of a known genotype. In this example, smooth peas are the unknown and wrinkled peas are the known (rr). If half of the offspring from that cross are smooth and half are wrinkled, what is the genotype of the unknown plant? O a. Homozygous dominant: RR O b. Homozygous recessive: rr Oc. Incomplete dominance d. Heterozygous dominant: Rr CLEAR MY CHOICE
D In fava bean plant the seed color can be coded by two alleles, green (G) which is dominant and purple (g) which is recessive. A gardening hobbyist performed a cross between 2 true-breeding lines P1 and P2 that respectively have green and purple seeds. Answer the following questions in regard to the hobbyist experiment. 1) What are the genotypes of the parental lines A and B? what are the genotypes of the gametes of each parent? 2)What is the phenotype and genotype of the F1 generation of the cross? 3) What are the proportions of the genotypes of the F2 generation? 4)What are the proportions of the phenotypes of the F2 generation?
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