Please help me! The color of bell peppers depends on their genotype at the Y and C loci, encoding the enzymes phytoene synthase and ccsynthase, respectively:Y_C redY. сс реachyyC_ orangeУусс creamWhat colors would be represented in the progeny of the following cross: Yycc x YYCC ? IF answer is more than onecolor, type answer as color and color...)

The physical traits or appearance of an organism are referred to as its phenotype. The genotypes, or…

The color of bell peppers depends on their genotype at the Y and C loci, encoding the enzymes phytoene synthase and cc synthase, respectively: Y_C_ red Y_ cc peach yyC_ orange Уусс cream What colors would be represented in the progeny of the following cross: Yycc x YYCC ? IF answer is more than one color, type answer as color and color...)

The color of bell peppers depends on their genotype at the Y and C loci, encoding the enzymes phytoene synthase and cc synthase, respectively: Y_C_ red Y_ cc peach yyC_ orange Уусс cream What colors would be represented in the progeny of the following cross: Yycc x YYCC ? IF answer is more than one color, type answer as color and color...)

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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Consider this cross in pea plants: Tt Rr yy Aa × Tt rr Yy Aa, whereT = tall, t = dwarf, R = round, r = wrinkled, Y = yellow, y = green,A = axial, a = terminal. What is the expected phenotypic outcomeof this cross? Have one group of students solve this problem bymaking one big Punnett square, and have another group solve it bymaking four single-gene Punnett squares and using the multiplication method. Time each other to see who gets done first.
In corn, the allele f ′ causes floury endosperm and the allele f ″ causes flinty endosperm. In the cross f ′/f ′ ×f ″/f ″, all the progeny endosperms are floury, but, in the reciprocal cross, all the progeny endosperms are flinty. What is a possible explanation? (Check the legend for Figure 2-7.)
In one study, Gregor Mendel crossed yellow-seeded, tall garden pea with a green-seeded,short garden pea. The F1 offspring were all yellow-seeded and tall. Assumingindependent assortment of these two genes, what phenotypes and proportions did he finamong F2 offspring when the F1 garden peas are allowed to fertilize themselves? Show the solution with punnett square.
In pea plants, purple flowers (P) are dominant to white flowers (p) and yellow peas (Y) are dominant to green peas (y). What are the possible genotypes and phenotypes for a cross between PpYY and ppYy pea plants? How many squares do you need to do a Punnett square analysis of this cross?
We have dealt mainly with only two genes, but the sameprinciples hold for more than two genes. Consider thefollowing cross:A/a ; B/b ; C/c ; D/d ; E/e × a/a ; B/b ; c/c ; D/d ; e/ea. What proportion of progeny will phenotypicallyresemble (1) the first parent, (2) the second parent,(3) either parent, and (4) neither parent?b. What proportion of progeny will be genotypically thesame as (1) the first parent, (2) the second parent,(3) either parent, and (4) neither parent?Assume independent assortment.
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.
A cross was made between two pea plants, TtAa and Ttaa, whereT = tall, t = dwarf, A = axial, and a = terminal. What is the probability that the first three offspring will be tall with axial flowers or dwarf with terminal flowers and the fourth offspring will be tall with axial flowers? Discuss what operation(s) (e.g., product rule or binomial expansion equation) you used and in what order they were used
In corn, the cross WW ee FF × ww EE ff is made. The three loci are linked as follows:Assume no interference. a. If the F1 is testcrossed, what proportion of progeny will be ww ee ff? b. If the F1 is selfed, what proportion of progeny will be ww ee ff?
. In corn, the allele A allows the deposition ofanthocyanin (blue) pigment in the kernels(seeds), while aa plants have yellow kernels.At a second gene, W- produces smoothkernels, while ww kernels are wrinkled. Aplant with blue smooth kernels was crossedto a plant with yellow wrinkled kernels. Theprogeny consisted of 1447 blue smooth, 169blue wrinkled, 186 yellow smooth, and 1510yellow wrinkled.a. Are the a and w loci linked? If so, how farapart are they?b. What was the genotype of the blue smoothparent? Include the chromosomearrangement of alleles.c. If a plant grown from a blue wrinkled progenyseed is crossed to a plant grown from ayellow smooth F1 seed, what kinds of kernelswould be expected, and in what proportions?
The trait for medium-sized leaves in iris is determined by the genetic condition PP'. Plants with large leaves are PP, whereas plants with small leaves are P'P'. The trait for red flowers is controlled by the genes RR, pink by RR', and white by R'R'. A cross is made between two plants each with medium-sized leaves and pink flowers. If they produce 640 seedlings, what would be the expected phenotypes, and in what numbers would they be expected? View keyboard shortcuts EditViewInsertFormatToolsTable 12pt Paragraph
Imagine you are given two tall plants, but you do not know their genotype (see Figure 16-12). There are three possibilities—they might both be TT or both Tt or one TT and the other Tt. Imagine you cross the two plants, wait for them to produce seeds, and then plant the seeds. If all resulting plants are tall, can you then determine what the genotypes of the two parents are? If approximately half the resulting plants are tall and about half are short, can you then figure out the genotypes of the parents?
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?