Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 11.3, Problem 3CYL
Summary Introduction
To explain:
Proportion of offspring with each genotype and
Introduction:
Offspring are produced by the process of mating between the parents. A test cross involves a cross between a progeny and homozygous recessive parent whereas a back cross involves the crossing of a heterozygous progeny with one of the parents.
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Give some examples of phenotypic variation ?
In fruit flies, the allele for long wings (L) is dominant to the allele for short wings (l). If a male that is heterozygous for wing length mates with a female that has short wings what are the possible genotypes and phenotypes of their offspring? Complete the Punnett square below. What is the expected phenotypic ratio among the offspring?
List and briefly describe the three processes that lead to variation in offspring with the same parents.
Chapter 11 Solutions
Biology
Ch. 11.1 - describe the relationships among chromosomes,...Ch. 11.1 - Prob. 2CYLCh. 11.2 - distinguish between self-fertilization and...Ch. 11.2 - Prob. 2CYLCh. 11.3 - Prob. 1TCCh. 11.3 - Prob. 1CSCCh. 11.3 - describe the pattern of inheritance of a trait...Ch. 11.3 - Prob. 2CYLCh. 11.3 - Prob. 3CYLCh. 11.4 - Can the genotype of a plant grown from a smooth,...
Ch. 11.4 - Prob. 2TCCh. 11.4 - Prob. 1CYLCh. 11.4 - Prob. 2CYLCh. 11.4 - Prob. 3CYLCh. 11.5 - Prob. 1TCCh. 11.5 - Prob. 1CSCCh. 11.5 - Prob. 1HYEWCh. 11.5 - Prob. 1CYLCh. 11.5 - Prob. 2CYLCh. 11.6 - describe how the patterns of inheritance differ...Ch. 11.7 - If a color-deficient woman and a man with normal...Ch. 11.7 - Prob. 1CYLCh. 11.7 - explain why most sex-linked traits are controlled...Ch. 11.7 - describe the pattern of inheritance of sex-linked...Ch. 11.8 - Prob. 1TCCh. 11.8 - use pedigrees to determine the pattern of...Ch. 11.8 - Prob. 2CYLCh. 11.8 - Prob. 3CYLCh. 11.8 - Prob. 2TCCh. 11.8 - Prob. 1CTCh. 11 - Prob. 1MCCh. 11 - Prob. 2MCCh. 11 - Independent assortment means that a. two genes on...Ch. 11 - Prob. 4MCCh. 11 - Prob. 5MCCh. 11 - An organism is described as Rr, with red coloring....Ch. 11 - Prob. 2FIBCh. 11 - Prob. 3FIBCh. 11 - Genes that are present on one sex chromosome but...Ch. 11 - Prob. 5FIBCh. 11 - Define the following terms: gene, allele,...Ch. 11 - Prob. 2RQCh. 11 - Prob. 3RQCh. 11 - Prob. 4RQCh. 11 - Prob. 5RQCh. 11 - Prob. 6RQCh. 11 - Prob. 1ACCh. 11 - Prob. 2ACCh. 11 - In certain cattle, hair color can be red...Ch. 11 - In the edible pea, tall (T) is dominant to short...Ch. 11 - Prob. 3GPCh. 11 - Prob. 4GPCh. 11 - Prob. 5GP
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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
- Consider and X-linked locus with two alleles A1 and A2. Allele A1 has an initial allele frequency of 1.0 in females and 0 in males. Use a spreadsheet (Excel) and its graphing functions to calculate the allele frequencies in males and females for 25 generations. Also plot the expected genotype frequencies in females for 25 generations.* show graph and plot *arrow_forwardIn Minx cats, the alleles TT yield a cat with a normal tail, the heterozygous alleles Tt yield a cat with a short tail or no tail at all, and the recessive alleles tt are lethal to the embryo. Using Punnett squares, determine the genotypes and phenotypes of all offspring from parent Minx cats that both have short-tails.arrow_forwardlist and briefly describe the three process that lead to variation in offspring with the same parents.arrow_forward
- In some bizarre-feathered chickens, F is the trait for frizzled feathers while S is the trait for straight feathers. Since both traits are appears to be dominant, what proportion of the offspring would likely show straight feathers? Construct the punnet square and indentify the following: Parents’ genes? Parents’ traits? Genes (genotype)? Feather type? (phenotype)? Genotypic ratio? Phenotypic ratio?arrow_forwardConsider a mating between two individuals represented by genotypes NnTT X NNTt. Uppercase letters represent dominant alleles and lowercase letters represent recessive alleles. Assume the N and T loci segregate independently (i.e., are not linked). What is the frequency of double heterozygotes (NnTt) in the offspring of these matings? Group of answer choices 1/2 1/16 1/8 1/4arrow_forwardIf the frequency of the homozygous dominant genotype is 0.49, what is the frequency of the dominant allele?arrow_forward
- Give two example of out-breeding?arrow_forwardConsider three independently assorting gene pairs, A/a, B/b, andC/c, where each demonstrates typical dominance (A9, B9, C9)and recessiveness (aa, bb, cc). What is the probability of obtainingan offspring that is AABbCc from parents that are AaBbCC andAABbCc?arrow_forwardIn fruit flies, gray body (G) is dominant to black body (g). If a male with a black body mates with a female that is homozygous dominant for her gray body what are the possible genotypes and phenotypes of their offspring? Complete the Punnett square below. What is the expected phenotypic ratio among the offspring?arrow_forward
- In some bizarre-feathered chickens, F is the trait for frizzled feathers while S is the trait for straight feathers. Since both traits are appears to be dominant, what proportion of the offspring would likely show straight feathers? Assume that both parents are homozygous for the traits. Construct the punnet square and indentify the following: Parents’ genes? Parents’ traits? Genes (genotype)? Feather type? (phenotype)? Genotypic ratio? Phenotypic ratio?arrow_forwardA homozygous red pigmented female beetle (bb) is bred with a black pigmented male of unknown genotype. It’s unknown if the male homozygous dominant (BB) or heterozygous (Bb) for the pigment trait. The color of their offspring will help identify the genotype of the male. What do you call this method used to determine the genotype of the male beetle? Explain your answer by using Punnett square to show possible offspring genotypes.arrow_forwardGive two example of in-breeding?arrow_forward
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