Biology
4th Edition
ISBN: 9781259188121
Author: Peter Stiling, Robert Brooker, Linda Graham, Eric Widmaier
Publisher: McGraw-Hill Education
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Chapter 16.5, Problem 1CC
Summary Introduction
To determine:
If it is possible to study the norm of reaction on a population of wild squirrels.
Introduction:
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ACTIVITY 3: Incomplete dominance vs. codominance
Coat color in dragons is controlled by 2 alleles. A black dragon is crossed with a white dragon and all of the offspring are gray.
Are the alleles incompletely dominant or codominant? ___
Explain (how do you know)? What would offspring of the other type probably look like?
__
Question:-
A) Give one domain.motif found in the SRY portion and state clearly how it leads to the development of the Wollfian system.
B) Explain the genotype and the phenotype of an XY female and how such an individual could occur.
C) Explain the genotype and the phenotype of an XX male and how such an individual could occur.
Q. 4: Given the inheritance pattern of coat color in rats described in Q 3, predict the genotype and phenotype of the parents who produced the following offspring: (a) 9/16 gray: 3/16 yellow: 3/16 black: 1/16 cream (b) 9/16 gray: 3/16 yellow: 4/16 albino (c) 27/64 gray: 16/64 albino: 9/64 yellow: 9/64 black: 3/64 cream (d) 3/8 black: 3/8 cream: 2/8 albino (e) 3/8 black: 4/8 albino: 1/8 cream
Chapter 16 Solutions
Biology
Ch. 16.1 - Prob. 1CCCh. 16.1 - Prob. 2CCCh. 16.1 - Prob. 3CCCh. 16.1 - Prob. 4CCCh. 16.1 - Prob. 5CCCh. 16.1 - Mendels Laws of Inheritance Concept Check: What...Ch. 16.2 - Prob. 1BCCh. 16.2 - Prob. 2BCCh. 16.2 - Prob. 1CCCh. 16.3 - Prob. 1CC
Ch. 16.3 - Prob. 2CCCh. 16.4 - Prob. 1CCCh. 16.4 - Prob. 1EQCh. 16.4 - Prob. 2EQCh. 16.4 - Prob. 3EQCh. 16.5 - Prob. 1CCCh. 16 - Prob. 1TYCh. 16 - During which phase of nuclear division does the...Ch. 16 - Prob. 3TYCh. 16 - Which of Mendels laws cannot be observed in a...Ch. 16 - During a __________blank, an individual with the...Ch. 16 - Prob. 6TYCh. 16 - Prob. 7TYCh. 16 - A hypothetical flowering plant species produces...Ch. 16 - Genes located on a sex chromosome are said to be...Ch. 16 - Prob. 10TYCh. 16 - Prob. 1CQCh. 16 - A cross is made between individuals having the...Ch. 16 - Core Concept: Systems We can view life as a...Ch. 16 - Discuss the principles of the chromosome theory of...Ch. 16 - When examining a human pedigree, what patterns do...
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- Question:- For a simple cross between a purple-flowered plant and a white-flowered plant, where purple is dominant over white. a. Show the F2 in a Punnett square. What are the proportions of genotypes and phenotypes? Express as fractions, decimal fractions and ratios. b. Now imagine that half of the pollen carrying the recessive allele die before reaching their target, while those carrying the dominant allele are unaffected; what are the proportions of genotypes and phenotypes now?What does this tell you about Mendel’s principle of segregation?arrow_forwardGene mapping using the Three-point Testcross a) Given the following alleles that control seed traits:W = wrinkled G = green R = roundw = smooth g = yellow r = oval b) Results of a cross with a triple heterozygote revealed the following phenotypes:30 smooth yellow round4 smooth green round958 wrinkled green round2 wrinkled yellow oval18 wrinkled yellow round946 smooth yellow oval16 smooth green oval26 wrinkled green oval c) Determine the order of the genes and the distance between them in centiMorgan (cM).Construct a gene map to show your results. TIP: Based on the phenotypes, determine the alleles in the gametesarrow_forwardQ. 1: Given the inheritance pattern of coat color in rats described in Q 3, predict the genotypeand phenotype of the parents who produced the following offspring:(a) 9/16 gray: 3/16 yellow: 3/16 black: 1/16 cream(b) 9/16 gray: 3/16 yellow: 4/16 albino(c) 27/64 gray: 16/64 albino: 9/64 yellow: 9/64 black: 3/64 cream(d) 3/8 black: 3/8 cream: 2/8 albino(e) 3/8 black: 4/8 albino: 1/8 cream Q. 2: In rats, the following genotypes of two independently assorting autosomal genes determinecoat color:A–B– (gray)A–bb (yellow)aaB– (black)aabb (cream)A third gene pair on a separate autosome determines whether or not any color will be produced.The CC and Cc genotypes allow color according to the expression of the A and B alleles.However, the cc genotype results in albino rats regardless of the A and B alleles present.Determine the F1 phenotypic ratio of the following crosses:(a) AAbbCC × aaBBccarrow_forward
- Solving complex genetic problems with the rules of probability (3 traits) 1. Calculate the probability of getting an offspring of pea plant with the genotype, PpyyRr, when crossing PpYyRr and ppyyrr. Show your work. 2. States the phenotypes of the parents and offspring.arrow_forwardGive an example of a trait that may have evolved as a result of the handicap principle and explain your reasoning.arrow_forward1a) In a very large population, if the forward and reverse mutation rates are exactly the same, how would you expect the frequency of an original, non-mutated allele to change in the population over time? Will the population eventually achieve an equilibrium value of the frequency of the non-mutated allele? b) What if the forward mutation rate is one order of magnitude larger (e. 10X) than the reverse mutation rate? Do you expect the frequency of the original, non-mutated allele to increase, decrease, or stay the same over time? c) If the population size is considerably smaller, does this change your expectations for changes in the frequency of the original, non-mutated allele over several generations?arrow_forward
- Question: What does relative allele frequency mean? a. The probability of passing the allele to your offspring b. How common a given allele is in a population c. The frequency of having a heterozygous genotype d. The probability of mutationarrow_forwardQ1. How many genes are there in contig1? Q2. what are the names of these genes? Q3. Which gene ha the largest span (i.e, the largest distance between the start and the end of the gene)?arrow_forwardInquiry Do the alleles for one character segregate into gametesdependently or independently of the alleles for a different character?arrow_forward
- Give typing answer with explanation and conclusion 1. Is it harder or easier to find the genes for polygenic traits than for traits controlled by single genes? Why?arrow_forwardInstruction: Solve for the genetic problems. a. Genotype of the parentsb. Phenotype of the parentsc. Punnett squared. Genotypic ratioe. Phenotypic ratio Question: Two individuals with widow’s peaks want to have a child with a continuous hairline. Is this possible?arrow_forwardNeep help ASAP. A red flowered plant was crossed with a blue flowered plant and produced all purple flowered plants. When the purple flowered plants were crossed with each other they produced 5 red plants, 5 blue plants, 20 deep purple plants, 20 light lilac plants, and 30 purple plants How many genes are involved in the color production? Assume that red color is caused by an A allele and blue color by a B allele and determine the likely genotype of the plants in the F2 generation.arrow_forward
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