WHAT IS LIFE? ACHIEVE 1 TERM ACCESS CODE
5th Edition
ISBN: 9781319516116
Author: PHELAN
Publisher: MAC HIGHER
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Chapter 10, Problem 5SA
Summary Introduction
To review:
What fixation for an allele means.
Introduction:
Fixation means that only one allele is present for a trait in a population.
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Students have asked these similar questions
How is it possible that there are multiple different alleles in a population and yet any individual can have only two alleles?
What does it mean to say that these alleles are additive?
In the case of Recessive Lethal Alleles, what copy number of an allele is lethal?
1
4
O None of the above
Chapter 10 Solutions
WHAT IS LIFE? ACHIEVE 1 TERM ACCESS CODE
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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
- What Causes Random Changes in Allele Frequency ?arrow_forwardA Koi fish breeder wants to introduce a variety of colours in his current Koi population. In Koi, genes for yellow striped body and blue eyes are denoted by YyBB; while orange striped body and green eyes are denoted by OOgg. By means of a punnet square explain to the breeder the type of offspring he would get if he were to mate koi fish with the aforementioned genes. What phenotypes and genotypes will the offspring have?arrow_forwardThe gel image below shows 7 alleles, let’s call them 1-7 in order of size, with 1 being the largest and 7 being the smallest. In this sample of 11 individuals, how many times does allele 5 appear?arrow_forward
- Why is the probability of flipping a coin twice different than flipping two coin at the same time?arrow_forwardin application of probability to genetic,why aa is 1/2 instead of 1/4??arrow_forwardIf there are five alleles at a locus, how many genotypes can there be at this locus? How many different kinds of homozygotes can there be? How many genotypes and homozygotes can there be with eight alleles at a locus?arrow_forward
- What happens to a recessive trait in the F2 generation in Mendelian geneticsarrow_forwardAn F2 ratio of 12:3:1 is most characteristic of a genetic interaction involving? 1) two gene loci with two alleles per locus 2) three gene loci with two alleles per each gene 3) two alleles of the same gene 4) multiple alleles of one genearrow_forwardHow does a heterozygous organisms differ from a homozygous organism in terms of the alleles they contribute to the population? Provide your best explanation for the law of segregation in 1-2 sentences.arrow_forward
- The Andalusian fowl exhibits codominance. The genotypes and phenotypes of Andalusian fowls are shown in the diagram below. White Black Speckled Phenotype White Black Speckled Genotype WW BB BW In a small community south of Seville, the capital city of Spain, speckled hens can be sold for more money at the market then black or white hens. Which of the following rows correctly identifies the cross the farmer should perform to ensure all of his eggs produce speckled offspring AND the phenotypes of offspring produced from crossing a white hen with a speckled rooster? Select one: a. Parental cross to produce Speckled offspring Phenotypes of offspring produced from crossing a white hen and a speckled rooster BB BB White, speckled, and black offspring b. Parental cross to produce Speckled offspring Phenotypes of offspring produced from crossing a white hen and a speckled rooster WW BW White offspring c. Parental cross to produce…arrow_forwardCan you always ascertain an organism ‘s genotype for a particular locus if you know its phenotype? Conversely, if you are given an organism’s genotype for a locus, can you always reliably predict its phenotype? Explain.arrow_forwardRead in your textbook about positive assortative mating. In this example, from your text, positive assortative mating is 100% (i.e. there is no random mating). Note that the frequency of heterozygotes is cut in half each generation. Does this match your answers above? Look at the actual values make sure you understand why positive assortative mating leads to an increase in homozygosity. (a) Only heterozygotes produce heterozygote offspring, but only 50% of the time Homozygote parent for A, Heterozygote parent Homozygote parent for A, Eggs A, A, Eggs A2 A, Eggs A2 A2 A, A, A, A, A, A, A, A, A, A2 A2 A2 A2 A2 A2 A, A, A, A, A, A, A, A2 A2 A2 A2 A2 Az A2 A2 (b) Effect of extreme inbreeding (self- fertilization) over time A, A, Homozygote A, A2 Heterozygote A2 A2 Homozygote The arrows represent A, p= 0.5 offspring genotypes that are produced by each parental genotype Generation 1 Az q = 0.5 100% 25% 50% 25% 100% A, p= 0.5 Az q= 0.5 Generation 2 100% 25% 50% 25% 100% The frequencies of…arrow_forward
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