Please assist with this question 3. Three autosomal genes are linked along the same chromosome. The distancebetween gene A and B is 7 mu, the distance between B and C is 11 mu, and thedistance between A and C is 4 mu. An individual who is AA bb CC was crossed to anindividual who is aa BB cc to produce heterozygous F1 offspring. The F1 offspring werethen crossed to homozygous aa bb cc individuals to produce F2 offspring.A. Draw the arrangement of alleles on the chromosomes in the parents and in the F1offspring.B. Where would a crossover have to occur to produce an F2 offspring that washeterozygous for all three genes?C. If we assume that no double crossovers occur in this region, what percentage of F2offspring is likely to be homozygous for all three gene?

Introduction: Genetic mapping refers to the process of determining the relative position of genetic…

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Biology

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BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter14: Human Inheritance

Section: Chapter Questions

Problem 2GP: Human females have two X chromosomes XX; males have one X and one Y chromosome XY. a. With respect...

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Concept explainers

Sexual Motivation

Sexual motivation refers to a person's overall desire for sexual activity. It is an unusual motivation. Generally, among lower animals, the term 'drive' is commonly referred to as sexual motivation. It means a certain internal force drags the animal to be involved in reproductive behavior. On the contrary, humans are not simply driven by any internal force; rather, the sexual motivation in humans is due to several factors such as biological (hormones, genes), environmental (familial upbringing, chemical exposure) and physiological factors (culture, desire) which further determine engagement in sexual activities.

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Please assist with this question

3. Three autosomal genes are linked along the same chromosome. The distance
between gene A and B is 7 mu, the distance between B and C is 11 mu, and the
distance between A and C is 4 mu. An individual who is AA bb CC was crossed to an
individual who is aa BB cc to produce heterozygous F1 offspring. The F1 offspring were
then crossed to homozygous aa bb cc individuals to produce F2 offspring.
A. Draw the arrangement of alleles on the chromosomes in the parents and in the F1
offspring.
B. Where would a crossover have to occur to produce an F2 offspring that was
heterozygous for all three genes?
C. If we assume that no double crossovers occur in this region, what percentage of F2
offspring is likely to be homozygous for all three gene?

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Three autosomal genes are linked along the same chromosome.The distance between gene A and B is 7 mu, the distance betweenB and C is 11 mu, and the distance between A and C is 4 mu. Anindividual that is AA bb CC was crossed to an individual that is aaBB cc to produce heterozygous F1 offspring. The F1 offspring werethen crossed to homozygous aa bb cc individuals to produce F2offspring.If we assume that no double crossovers occur, what percentageof F2 offspring is likely to be homozygous for all three genes?
Three autosomal genes are linked along the same chromosome.The distance between gene A and B is 7 mu, the distance betweenB and C is 11 mu, and the distance between A and C is 4 mu. Anindividual that is AA bb CC was crossed to an individual that is aaBB cc to produce heterozygous F1 offspring. The F1 offspring werethen crossed to homozygous aa bb cc individuals to produce F2offspring.Where would a crossover have to occur to produce an F2 offspringthat was heterozygous for all three genes?
Three autosomal genes are linked along the same chromosome.The distance between gene A and B is 7 mu, the distance betweenB and C is 11 mu, and the distance between A and C is 4 mu. Anindividual that is AA bb CC was crossed to an individual that is aaBB cc to produce heterozygous F1 offspring. The F1 offspring werethen crossed to homozygous aa bb cc individuals to produce F2offspring.Draw the arrangement of the alleles on the chromosomes in theparents and in the F1 offspring.
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. Chromosome 3 of corn carries three loci (b for plant-color booster, v for virescent, and lg for liguleless). A testcross of triple recessives with F1 plants heterozygous forthe three genes yields progeny having the followinggenotypes: 305 + v lg, 275 b + +, 128 b + lg, 112 + v +,74 + + lg, 66 b v +, 22 + + +, and 18 b v lg. Give the genesequence on the chromosome, the map distances between genes, and the coefficient of coincidence.
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SET 2: In corn, the following allelic pairs have been identified in chromosome 3: +/b plant color booster vs. non-booster +/lg with ligule vs. without ligule +/v green plant vs. virescent A test cross between triple recessive plants and plants heterozygous for the three pairs gave the following progeny: + v lg b + lg b v lg + + lg 305 148 58 bv + + + + 62 + v + b + + 152 275 1000 Total Calculate the parental and recombinant frequencies, the map distances between genes, and the coefficient of coincidence. Illustrate the gene map or sequence.
Consider section J, the following is a karyotype of: 75 X » » N 5 1 2 3 SeXlY 6 13 19 MEK NYET 14 # 20 8 X 15 00 ** 21 9 4 16 22 10 X 11 17 12 16 18 Y O an abnormal karyotype of a human AMAB missing a Y chromosome an abnormal karyotype of a human AFAB showing trisomy 13 a normal karyotype of a human AMAB a normal karyotype of a human AFAB
1. A wild type chromosome has the following segments:A B C D ● E F GAn individual is heterozygous for the following mutations:A B E ● D C F Ga. What type of mutation is shown in in the chromosomes above? b. Sketch the four gametes produced by a CROSSOVER between C and D and label whether or not each gamete produced from this meiosis is viable.
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