Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Textbook Question
Chapter 11.3, Problem 3C
- • CONNECT Two loci exhibit 5% recombination between them. How many map units apart are they?
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Genes A and B are 7.5 map units apart on one chromosome. Genes C and D are 8.0 map units apart on a second non-homologous chromosome.
•
The recombination frequency between
A and B is?
•
The recombination frequency between
A and C is?
•
The recombination frequency between
C and D is?
•
The recombination frequency between B and D is?
• Illustrate the chromosome changes in interphase and mitosis using a diploid cell that is 2n=4 (two
large and two small chromosomes).
• Label the circles as G1 and G2 stages of interphase and each phase of mitosis (in order).
Draw the chromosome in each circle using the following guidelines.
1) For unreplicated chromosome draw a line (/) and for replicated chromosome draw an X.
2) For simplicity, do not indicate that the chromosomes are decondensed chromatin during
interphase.
●
3) Skip drawing the nuclear membrane or spindle fibers, since we are focusing on the
chromosomes.
• Label genes in the resulting daughter cells as A/a and B/b. (These letters represent genes which are
at icular places along the DNA molecule. Each chromosomes can have a thousand genes but we
are focusing on these two.
mapping three linked genes, the heterozygous AaBbCc was crossed to aabbcc individual the following phenotypes were obtained:
ABC 4
abc 2
ABc 150
abC 141
aBc 18
AbC 20
Abc 30
aBC 35
A) What are the alleles found on each parental chromosome(genotypes of the parents)?
B) How many double recombinants(cross over) were there?
c) what is the linear arrangement of loci on the chromosome?
Chapter 11 Solutions
Biology (MindTap Course List)
Ch. 11.1 - Define the terms phenotype, genotype, locus,...Ch. 11.1 - Describe Mendels principles of segregation and...Ch. 11.1 - Distinguish among monohybrid, dihybrid, and test...Ch. 11.1 - Explain Mendels principles of segregation and...Ch. 11.1 - What is the maximum number of different alleles...Ch. 11.1 - Can Mendels principle of segregation be...Ch. 11.1 - Prob. 3CCh. 11.2 - PREDICT Use the rules of probability to answer the...Ch. 11.2 - In answering the previous question, did you use...Ch. 11.3 - Define linkage and relate it to specific events in...
Ch. 11.3 - Show how data from a two-point test cross can be...Ch. 11.3 - Discuss the genetic determination of sex and the...Ch. 11.3 - What ratio of genotypes to phenotypes is observed...Ch. 11.3 - Prob. 2CCh. 11.3 - CONNECT Two loci exhibit 5% recombination between...Ch. 11.3 - Which chromosome determines the male sex in humans...Ch. 11.3 - Prob. 5CCh. 11.4 - Explain some of the ways genes may interact to...Ch. 11.4 - Distinguish among incomplete dominance,...Ch. 11.4 - Prob. 11LOCh. 11.4 - Prob. 1CCh. 11.4 - What is the difference between multiple alleles...Ch. 11.4 - Prob. 3CCh. 11.4 - Prob. 4CCh. 11 - One of the autosomal loci controlling eye color in...Ch. 11 - The F1 flies described in question 1 were mated...Ch. 11 - The type of cross described in question 2 is (a)...Ch. 11 - Individuals of genotype AaBb were crossed with...Ch. 11 - Assume that the ratio of females to males is 1:1....Ch. 11 - Redgreen color blindness is an X-linked recessive...Ch. 11 - When two long-winged flies were mated, the...Ch. 11 - The long hair of Persian cats is recessive to the...Ch. 11 - Mr. and Mrs. Smith are concerned because their own...Ch. 11 - A walnut comb rooster is mated to three hens. Hen...Ch. 11 - Individuals of genotype AaBb were mated to...Ch. 11 - Genes A and B are 6 map units apart, and A and C...Ch. 11 - VISUALIZE Sketch a series of diagrams showing each...Ch. 11 - Can you always ascertain an organisms genotype for...Ch. 11 - CONNECT Compare the mechanisms of genetic...Ch. 11 - EVOLUTION LINK Darwins theory of evolution by...Ch. 11 - INTERPRET DATA Using the graph in Figure 11-20,...
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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
- During recombination by the double strand break mechanism what is the structure of the intermediate with holiday functions pair to branch migration?Draw the structure taking three dominant alleles (ABC) on the parental duplex donoted by thin back lines and the parental duplex denoted by thick lines has recessive alleles (abc) show the difference between the DNA chain from the parental duplex and discuss the molecular mechanisms involvedarrow_forwardFill in the blanks: The distances within a ["pair of linked gene", linkage group ", "physical map"] can add up to more than 50cM, but the distance between a ["pair of linked gene","linkage group", "physical map"] must be less than 50cM.arrow_forward. Use the following sequence data to assign haplotypes and build a haplotype network for a 200 bp variable region that is sequenced from eight individuals. Polymorphic nucleotide positions are shown. Δ is a 1 bp deletion. Explain the logic supporting the network. If there are different nucleotide changes at one position, indicate the different changes on your network. Individual 24 56 92 119 146 172 haplotype 1 A C A T G G A 2 T C Δ C G G 3 A G A T A T 4 A G A T G T 5 A C Δ C G G 6 A G A T G G 7 A G A T A T 8 C C Δ C G Garrow_forward
- You have a 5'(A/T)-3' SNV potential. Draw out to explain why using the sense strand and template strand would both yield the same color if you were heterozygous at this SNV location. (The color is red, by the way.) • How do you distinguish between sex-linked and limited expression in male traits in pedigrees? • You are checking a reciprocal cross and you get a chi square value of 7? = 4.08, p = 0.0434. Is this a significant difference? If so, propose an explanation. If not, explain how you know.arrow_forwardIllustrate the Undamaged complementary region of parental strandis recombined ?arrow_forwardConstruct a map of the chromosome, with the most accurate map distances, from the following recombination frequencies between individual pairs of genes: C –F 13%, V –F 20%, V –C 8%, S –F 4%, C –S 9%,arrow_forward
- O Multiple alleles In organism A, blue skin colour is dominant over yellow. If, heterozygous blue-skin of organism A were interbred and a total of 5000 offspring were produced, what would the expected number of offspring with yellow skin colour be? * O 1520 О 1259 O 1452 О 1350 With regards to the function of helicase, which of the following bonds are broken and reformed during DNA replication?arrow_forward. Explain how mixtures of different cpDNAs in the sameorganism account for variegation in plants.arrow_forwardGive the structure of SOMATIC HYBRIDIZATION?arrow_forward
- Construct a map of the chromosome from the following recombination frequencies between individual pairs of genes: c – f 8%, v – f 12%, s – v 16%, v – c 4%, s – f 6%arrow_forwardDiscuss the relationship between the recombinationfrequency and the map distance separating two loci ona chromosomearrow_forwardDescribe the key steps for homologous recombination.arrow_forward
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