Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 11, Problem 2AC
Summary Introduction
To discuss:
Whether every trait will have only two
Introduction:
Genes code for the genetic information and are located on chromosomes. Each gene in chromosome has a specific location, which is termed as a locus. However, all the genes have more than one copy and both the copies need not be identical in a human being.
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Students have asked these similar questions
From your research, you discover that in this species of fish, the allele for black color is dominant to orange color. Based on this research, can you determine the genotype of a black fish just by looking at it? Why or why not?
Yes, because the recessive allele must have been eliminated by the dominant one.
Yes, because the phenotype always expresses all the alleles.
No, because you do not know the DNA sequence.
No, because it could be either homozygous dominant or heterozygous.
In an alternate universe, all the genes in all species haveonly two alleles, one dominant and one recessive. Wouldevery trait have only two phenotypes? Would all membersof a species that are dominant for a given gene have exactlythe same phenotype? Explain your reasoning.
Choose one pls
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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- Choose one plsarrow_forwardYou are studying an autosome trait. There are two alleles, one showing complete dominance over the other. In a population, 84% of the individuals show the dominant phenotype. Assuming that this population is under Hardy-Weinberg equilibrium, which of the following statement is TRUE? 36% of individuals have the homozygous dominant genotype. 40% of the alleles in the population is recessive. 16% of the alleles in the population is recessive. 60% of individuals have the dominant alleles.arrow_forwardAmong a species of butterflies, the color blue (B) is a dominant trait. Yellow color (b) is a recessive'trait. If a pure blue butterfly (BB) mates with a pure yellow (bb), what will the offspring look like? A) They will all be blue. B) They will all be yellow. Half will be blue and half will be yellow. D) About 75% will be blue and 25% will be yellow.arrow_forward
- hello could yo please answer the all part B questions and explain the reasons of questionsarrow_forwardYou are studying three traits in a goldfish variety; body colour (A or a), tail length (B or b) and shape (C or c). Note: Use the uppercase letters for the alleles associated with the dominant phenotypes and the lowercase letters for the alleles associated with the recessive phenotypes. Assume that each of these traits is regulated by one gene. a) You mate a gold fish (P1) with a white fish (P2) and obtain 100 fish in F1, of which 50 are gold and 50 are white. Write two sets of the possible genotypes of the parental and the resulting F1 fish by filling in the table below. Sets P1 P2 F1 gold fish F1 white fish AA aA aa A BB ac CC AC ab 2.arrow_forwardYou are studying three traits in a goldfish variety; body colour (A or a), tail length (B or b) and shape (C or c). Note: Use the uppercase letters for the alleles associated with the dominant phenotypes and the lowercase letters for the alleles associated with the recessive phenotypes. Assume that each of these traits is regulated by one gene. a) You mate a gold fish (P1) with a white fish (P2) and obtain 100 fish in F1, of which 50 are gold and 50 are white. Write two sets of the possible genotypes of the parental and the resulting F1 fish by filling in the table below.arrow_forward
- The agouti gene determines coat colour in mice. Heterozygous mice have yellow coats, while homozygous dominant mice have black coats. However, having two copies of the recessive alleles is lethal. In a population of 2 000 mice, 1 082 mice have black coats. a) Calculate the frequency of each allele. Show all your work and express your answer as a value between 0 and 1 rounded to two decimal places. b) What percentage of the mouse population is expected to be carriers of the lethal allele? Show all your work and express your answer rounded to one decimal place. c) How many mice will die during fetal development? Show all your work and round your answer to the closest whole number.arrow_forwardConsider this hypothetical example. Bluegills can either have green eyes or brown eyes. The trait is controlled by a single gene. Bluegills can either have long or short fins. This trait is controlled by a single gene that is on a different chromosome from the eye color gene. Having green eyes is dominant (G), while having brown eyes is recessive (g). Having long fins is dominant (L), while having short fins is recessive (I). Your not-so-famous instructor will mate a male and female that both are heterozygous for eye color and heterozygous for fin length. What phenotypic ratio is expected from this mating? O 1:1:1:1 O 1:2:1:2:4:2:1:2:1 O 3:1 O 9:3:3:1arrow_forwardConsider this hypothetical example. Bluegills can either have green eyes or brown eyes. The trait is controlled by a single gene. Bluegills can either have long or short fins. This trait is controlled by a single gene that is on a different chromosome from the eye color gene. Having green eyes is dominant (G), while having brown eyes is recessive (g). Having long fins is dominant (L), while having short fins is recessive (1). Your not-so-famous instructor will mate a male and female that both are heterozygous for eye color and heterozygous for fin length. If these 2 bluegills produced 1000 offspring, about how many would have green eyes and short fins? O 63 O 125 188 O 250 O 563arrow_forward
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