Campbell Biology in Focus, Books a la Carte Edition; Modified Mastering Biology with Pearson eText - ValuePack Access Card - for Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780134433769
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman
Publisher: PEARSON
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Chapter 31.2, Problem 3CC
MAKE CONNECTIONS Plants detect the quality of their light environment by using blue-light photoreceptors and red-light-absorbing phytochromes. Suggest a reason why plants are so sensitive to these colors of light.
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In chickens comb shape is controlled by a pair of interacting unlinked gene loci each with two alleles, R,r and P,p. These genes interact in such a way to give four possible phenotypes, as follows:
Walnut - requires one each of the dominant genes.
Rose - requires a R and homozygous recessive for the p gene.
Pea - requires a P and homozygous recessive for the r gene.
Single - requires fully homozygous recessive.
If two walnut comb chickens are mated and produce 1,000 offspring, and some of these 1,000 offspring are of the single combed variety. Please answer the following questions:
a.___ How many of rose comb phenotype would you expect in the 1,000 offspring?
A. 563, B. 438, C. 360, D. 188, E. 63
b.___ The evidence provided would result in the conclusion that the inheritance of comb form in chickens is a good example of a polygenic mode of inheritance.
True OR False
c.___ What would be the best way to describe the cross involved?
1. A true dihybrid cross…
Match the following:
A. Intron
B. Enhancer sequence
C. TATA box
D. 5’ cap
E. Exon
F.Operator
G. Poly-A tail sequence
H. 3’UTR
1.___ part of mature mRNA that is instrumental in binding to the ribosome
2.___ part of the coding strand promoter region where the transcription initiation complex will form
3.___Sequence found in the upstream section of eukaryotic DNA, sometimes at very great distances that can result in the increase of the initiation and therefore transcription of genes.
Match the following
1) ____Point mutation, 2)____Nonsense mutation, and 3) ____Silent mutation
A. Mutations that result in an inappropriate stop codon and a polypeptide of improper length.
B. These mutations alter the DNA sequence of nucleotides but does not result in any alteration to the polypeptide produced.
C. This type of alteration of nucleic acid structure could be the result of an error in the proofreading performed by DNA polymerase.
D. This type of polypeptide mutation results in one amino acid being altered but the length of the chain being the same.
Chapter 31 Solutions
Campbell Biology in Focus, Books a la Carte Edition; Modified Mastering Biology with Pearson eText - ValuePack Access Card - for Campbell Biology in Focus (2nd Edition)
Ch. 31.1 - Prob. 1CCCh. 31.1 - WHAT IF? If a plant has the double mutation ctr...Ch. 31.1 - Prob. 3CCCh. 31.2 - If an enzyme in field-grown soybean leaves is most...Ch. 31.2 - WHAT IF? If a plant flowers in a controlled...Ch. 31.2 - MAKE CONNECTIONS Plants detect the quality of...Ch. 31.3 - Prob. 1CCCh. 31.3 - Prob. 2CCCh. 31.3 - Prob. 3CCCh. 31.4 - Prob. 1CC
Ch. 31.4 - Chewing insects mechanically damage plants and...Ch. 31.4 - Prob. 3CCCh. 31 - The hormone that helps plants respond to drought...Ch. 31 - Prob. 2TYUCh. 31 - Prob. 3TYUCh. 31 - Prob. 4TYUCh. 31 - Prob. 5TYUCh. 31 - Prob. 6TYUCh. 31 - DRAW IT Indicate the response of Arabidopsis to...Ch. 31 - Prob. 8TYUCh. 31 - FOCUS ON EVOLUTION As a general rule,...Ch. 31 - FOCUS ON INTERACTIONS In a short essay (100-150...Ch. 31 - Prob. 11TYU
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