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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Question
Chapter 43.2, Problem 2BC
Summary Introduction
To determine:
Whether the use of statoliths is unique to animals or they exist in another kingdom too.
Introduction:
There are different kinds of mechanoreceptor found in the animal kingdom. One of the roles of mechanoreceptors is in maintaining equilibrium or balance. Statocysts are mechanoreceptors responsible for physical equilibrium in many marine invertebrates. The statocyst consists of a round structure with hair like cells and tiny granules of a dense object called statoliths. The statolith responds to gravity, stimulating the hair-like cells that inform the brain about the position of the organism.
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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 43 Solutions
Gen Combo Ll Biology; Connect W/learnsmart Labs Access Card
Ch. 43.1 - Prob. 1BCCh. 43.2 - Prob. 1CCCh. 43.2 - Prob. 1BCCh. 43.2 - Prob. 2CCCh. 43.2 - Prob. 2BCCh. 43.2 - Prob. 3CCCh. 43.4 - Prob. 1CCCh. 43.5 - Why is red-green color blindness rare in females?Ch. 43.5 - Prob. 2CCCh. 43.6 - Prob. 1EQ
Ch. 43.6 - CoreSKILL Of the two hypotheses explaining how...Ch. 43.6 - Prob. 3EQCh. 43.6 - Prob. 1CCCh. 43 - The process in which incoming sensory stimulation...Ch. 43 - Prob. 2TYCh. 43 - ______blanksense pain; ______blank sense heat or...Ch. 43 - Prob. 4TYCh. 43 - In which process(es) are hair cells involved? a....Ch. 43 - Prob. 6TYCh. 43 - In the mammalian eye, light from near or far...Ch. 43 - Prob. 8TYCh. 43 - Prob. 9TYCh. 43 - The stimulation for olfaction involves odorant...Ch. 43 - Prob. 1CQCh. 43 - Prob. 2CQCh. 43 - Prob. 3CQCh. 43 - Discuss the several types of sensory stimuli that...Ch. 43 - Prob. 2COQ
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