EBK BIOLOGY
4th Edition
ISBN: 8220102797376
Author: BROOKER
Publisher: YUZU
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Chapter 17.2, Problem 2EQ
Summary Introduction
To determine: The expected results of Bateson and Punnett’s cross of F1 plants.
Introduction: Bateson and Punnett in the year 1911 conducted an experiment on sweet peas. They made a cross of sweet peas showing linkage between two different genes. In their study they took into consideration two traits- the flower color and pollen shape.
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Chapter 17 Solutions
EBK BIOLOGY
Ch. 17.1 - Prob. 1CCCh. 17.2 - Prob. 1EQCh. 17.2 - Prob. 2EQCh. 17.2 - Prob. 3EQCh. 17.2 - Prob. 1CCCh. 17.2 - Prob. 1BCCh. 17.2 - Prob. 2CCCh. 17.3 - Prob. 1BCCh. 17.3 - Prob. 1CCCh. 17.4 - Prob. 1CC
Ch. 17.4 - Prob. 2CCCh. 17 - Prob. 1TYCh. 17 - Based on the ideas proposed by Morgan, which of...Ch. 17 - Prob. 3TYCh. 17 - Extranuclear inheritance occurs because a. certain...Ch. 17 - Prob. 5TYCh. 17 - Modification of a gene during gamete formation or...Ch. 17 - Prob. 7TYCh. 17 - When a gene is inactivated during gamete formation...Ch. 17 - Prob. 9TYCh. 17 - Prob. 10TYCh. 17 - Prob. 1CQCh. 17 - Prob. 2CQCh. 17 - Prob. 3CQCh. 17 - Mendel studied seven traits in garden pea plants,...Ch. 17 - Prob. 2COQ
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- . Genomes A, B, and C all have basic chromosomenumbers (x) of nine. These genomes were derivedoriginally from plant species that had diverged from each other sufficiently far back in the evolutionarypast that the chromosomes from one genome can nolonger pair with the chromosomes from any other genome. For plants with the following kinds of euploidchromosome complements, (i) state the number ofchromosomes in the organism; (ii) provide terms thatdescribe the individual’s genetic makeup as accurately as possible; (iii) state whether or not it is likelythat this plant will be fertile, and if so, give the number of chromosomes (n) in the gametes.a. AABBCb. BBBBc. CCCd. BBCCe. ABCf. AABBCCarrow_forwardLinkage Mapping Using a Trihybrid Testcross in Fruit Flies Remember the black, purple, and vestigial genes from Exercise 1? Now you're going to have to construct a map of the same region from trihybrid testcross data. The new map should be similar to the one from Exercise 1, but it won't be identical because we're starting with a new, independent data set. BLACK PURPLE VESTIGIAL TRIHYBRID TESTCROSS In the parental generation, you mate a pure-breeding wild-type female (bl+/bl*pu*/pu+vg+/vg+ with a pure-breeding black, purple, vestigial male (bl/bl;pu/pu vg/vg) to produce an F1 generation that is all wild-type (bl/bliput/pu;vg+/vg). Note that the F1 flies are all trihybrid. Next, you mate several F1 trihybrid females (bl/bl:put/pu;vg+/vg) with tester males, which are black, purple, vestigial (bl/bl;pu/pu;vg/vg). The offspring of this trihybrid testcross are: Phenotype Wild-type Black, purple, vestigial Vestigial Black, purple Purple, vestigial Black Purple Black, vestigial bl pu vg bl pu…arrow_forwardplease help?arrow_forward
- 22nnarrow_forwardSaved Gene linkage Complete the following statements about gene linkage. Not all choices will be used. independent A chromosome contains a long series of different are in a definite assortment that sequence linkage group Their position, or on the chromosome is fixed. locus alleles All of the alleles on a chromosome form a(n) they tend to be inherited together. because gametes Because they reside so close together on the chromosome, there is a reduced chance that not follow the traditional Mendelian genotypic ratios. will occur and therefore they do 30 acerarrow_forwardPlease show work, I provided an examplearrow_forward
- can you please quickly explain?arrow_forwardplease help?arrow_forward. Imagine that you have done a cross between twostrains of yeast, one of which has the genotype A B Cand the other a b c, where the letters refer to threerather closely linked genes in the order given. Youexamine many tetrads resulting from this cross, andyou find two that do not contain the expected two Band two b spores. In tetrad I, the spores are A B C, AB C, a B c, and a b c. In tetrad II, the spores are A BC, A b c, a b C, and a b c. How have these unusualtetrads arisen?arrow_forward
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