Gen Combo Ll Biology; Connect W/learnsmart Labs Access Card
4th Edition
ISBN: 9781259853197
Author: Robert Brooker
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 19, Problem 1CQ
a.
Summary Introduction
To determine: Whether mutation has occurred in the segmentation gene or the homeotic gene if three abdominal segments are missing.
Introduction: In Drosophila, regulation of the process of pattern formation and morphogenesis occurs with the help of certain genes such as segmentation genes and homeotic genes. A mutation in these genes leads to alteration in the patterns of segmentation and morphology of the organism.
b.
Summary Introduction
To determine: Whether mutation has occurred in the segmentation gene or the homeotic gene if one abdominal segment has legs.
Introduction: In Drosophila, regulation of the process of pattern formation and morphogenesis occurs with the help of certain genes such as segmentation genes and homeotic genes. A mutation in these genes leads to alteration in the patterns of segmentation and morphology of the organism.
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The shape of radishes may be long (SL/SL), oval (SL/SS), or round (SS/SS), and the color of radishes may be red (CR/CR), purple (CR/CW) or white (CW/CW). If a long, red radish plant is crossed with a round, white plant, what will be the appearance of the F1 and F2 generations?
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Question #3:
In the KeyGene paper, the authors state that it would be useful if pollen from an apomict would
transmit apomixis-inducing genes to the female in the cross (assuming the pollen is viable). Assuming
there was just one gene conferring gametophytic obligate apomixis, and that the two parents are
inbreds, what would be the consequences of such a cross if:
a) The apomixis was a dominant trait? Indicate the genotypes and phenotypes (apomict or non-
apomict) of the parents, F1 and F2 generations. Remember to include the expected genotypic
and phenotypic ratios (or percentages) in the F1 and F2 generations, and to position the female
first (left side) in the parental cross.
b) The apomixis was a recessive trait? Indicate the genotypes and phenotypes (apomict or non-
apomict) of the parents, F1 and F2 generations. Remember to include the expected genotypic
and phenotypic ratios (or percentages) in the F1 and F2 generations, and to position the female
first (left side) in the…
Chapter 19 Solutions
Gen Combo Ll Biology; Connect W/learnsmart Labs Access Card
Ch. 19.1 - 20.1 General Themes in Development Concept Check:...Ch. 19.1 - Prob. 1BCCh. 19.1 - Prob. 2CCCh. 19.1 - Prob. 3CCCh. 19.1 - Prob. 2BCCh. 19.1 - Prob. 4CCCh. 19.2 - Development in Animals I: Pattern Formation...Ch. 19.2 - Development in Animals I: Pattern Formation...Ch. 19.2 - Prob. 3CCCh. 19.2 - Prob. 4CC
Ch. 19.2 - Development in Animals I: Pattern Formation Core...Ch. 19.2 - Development in Animals II: Cell Differentiation...Ch. 19.2 - Development in Animals II: Cell Differentiation...Ch. 19.2 - Development in Animals II: Cell Differentiation...Ch. 19.2 - Development in Animals II: Cell Differentiation...Ch. 19.2 - Development in Animals II: Cell Differentiation...Ch. 19.3 - Development in Plants Concept Check: Where are...Ch. 19.3 - Prob. 2CCCh. 19 - The process whereby a cells morphology and...Ch. 19 - Prob. 2TYCh. 19 - Positional information is important in determining...Ch. 19 - Morphogens are a. molecules that disrupt normal...Ch. 19 - Prob. 5TYCh. 19 - Arrange the following phases of pattern formation...Ch. 19 - Prob. 7TYCh. 19 - Prob. 8TYCh. 19 - An embryonic stem cell that can give rise to any...Ch. 19 - Prob. 10TYCh. 19 - Prob. 1CQCh. 19 - The MyoD gene in mammals plays a role in muscle...Ch. 19 - Prob. 3CQCh. 19 - Prob. 1COQCh. 19 - Is it possible for a phenotypically normal female...
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