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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Chapter 11.4, Problem 1C
Summary Introduction
To explain: Human ABO blood groups are examples of both dominance and codominance but flower color in four o’clock plants are examples of incomplete dominance.
Introduction: Not all types of inheritances follow Mendelian pattern of inheritance. Codominance and incomplete dominance have non-Mendelian pattern of inheritance. The appearance of both parental
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The Rhesus protein on human red blood cells is represented as positive (present) or negative (absent).
Which of these statements is/are true?
this is an example of codominance
this is an example of incomplete dominance
this is an example of complete dominance
Red-green colorblindness is determined in humans by a single X-linked locus. Colorblind males are XbY, and males with normal vision are XBY. XB is dominant, so XBXB and XBXb females have normal vision, while XbXb females are colorblind. Typically, 8% of males are red-green colorblind. Assuming H-W equilibrium, what percentage of females is typically colorblind?
A white flower is crossed with a purple flower, and the offspring exhibit incomplete dominance.
A) What is the phenotypic ratio of the F1 generation offspring? What is the genotypic ratio
of the F1 generation offspring?
B) What is the phenotypic ratio of the F2 generation offspring? What is the genotypic ratio
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Answer and work:
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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- Which of the following is an example of incomplete dominance? Select ALL that apply. RR and Rr seeds are round, whereas rr seeds are wrinkled, Rr seeds contain 50% as much starch as RR seeds. o AcR individuals produce red flowers, CWCW individuals produce white flowers, and heterozygotes (C*C") produce pink flowers. AP individuals produce both the A and the B antigens. individuals produce the A antigen.arrow_forwardIn four o’clock(a type of flowering plant), red color flowers exhibit incomplete dominance over white; when both exist together, the flowers are pink a) in a cross between a red flower and a white one, what is the genotype of the offspring? b) what is the genotypes ratio of the F2 generation of two of the F1 from (a) are crossed?arrow_forwardExplain the concept of incomplete dominance and codominance. Give example of how each is expressedarrow_forward
- Please use instructions from the pic Snapdragons show incomplete dominance in flower colour. A cross between red flowers and white flowers will produce pink flowers. If a white flower is crossed with a pink flower, what is the probability of producing a pink flower?arrow_forwardExplain the types of genetic dominance (Incomplete dominance vs complete dominance) include examples.arrow_forwardThe self-fertilization of an F1 pea plant produced froma parent plant homozygous for yellow and wrinkledseeds and a parent homozygous for green and roundseeds resulted in a pod containing seven F2 peas. (Yellow and round are dominant.) What is the probability that all seven peas in the pod are yellow and round?arrow_forward
- 1) If TT is mated with Tt, how many of the offspring will genotypically turn out as tt? 2) If TT is mated with Tt, how many of the offspring will phenotypically turn out as t ?arrow_forwardIf the frequency of the "green" form of red-green color blindness (due to an X-linked locus) is 5 percent among males, what fraction of females would be affected? Assuming H-W equilibrium what fraction of females would be heterozygous?arrow_forwardIf you fertilize an adult female which is mosaic gonads (y w sn3 and mhw e gametes) with an adult male with (y w sn3 gametes) what are the genotype of parents? If thay produced 10-20% wild phenotype and 80-90% y w sn3 phenotype. And explain itarrow_forward
- Given the results of our calculations of inclusive fitness for male pied kingfishers (Ceryle rudis) (see Table 13.1), isn’t it maladaptive to be a delayer? Why aren’t there any completely sterile helper male pied kingfishers? Please don't write from any online source.arrow_forwardNLFN3, a gene in the X chromosome has been linked to Autism spectrum disorder ASD. Research has shown that the mutation R451C (represented by the allele X+) is recessive and causes ASD. Ear lobes in humans are coded by a single gene which displays simple dominance. E results in free earlobes, and e corresponds to attached earlobes. What is the probability of having a female offspring with ASD symptoms and attached earlobes from X+Y Ee and X+X ee parents? 25% O 100% 0% O 75% O 12.5% O 50%arrow_forwardWhy are the types of offspring described in part Fig1(a) more numerous than those described in Fig 1(b)?arrow_forward
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