
EBK BIOLOGY: CONCEPTS AND APPLICATIONS
9th Edition
ISBN: 8220100478659
Author: STARR
Publisher: CENGAGE L
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Chapter 30, Problem 12SQ
Summary Introduction
Introduction:
Vision is the detection of light in a way that provides a mental image of objects in the environment. It requires eyes and a brain with a capacity to interpret visual stimuli. Eyes are sensory organs with photoreceptors.
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5G JA ATTC 3
3 CTIA A1G5
5 GAAT I I3
3 CTIA AA5
Fig. 5-3: The Eco restriction site (left) would be cleaved at the locations indicated by the arrows.
However, a SNP in the position shown in gray (right) would prevent cleavage at this site by EcoRI
One of the SNPs in B. rapa is found within the Park14 locus and can be detected
by RFLP analysis. The CT polymorphism is found in the intron of the Bra013780
gene found on Chromosome 1. The Park14 allele with the "C" in the SNP has two
EcoRI sites and thus is cleaved twice by EcoRI If there is a "T" in that SNP, one
of the EcoRI sites is altered, so the Park14 allele with the T in the SNP has only
one EcoRI site (Fig. 5-3).
Park14 allele
with SNP(C)
Park14 allele
with SNPT)
839 EcoRI
1101 EcoRI
839 EcoRI
Fig. 5.4: Schematic restriction maps of the two different Park14 alleles (1316 bp long) of B. rapa. Where
on these maps is the CT SNP located?
90
The primers used to amplify the DNA at the Park14 locus (see Fig. 5 and Table 3
of Slankster et…
From your previous experiment, you found that this enhancer activates stripe 2 of eve expression. When you sequence this enhancer you find several binding sites for the gap gene, Giant. To test how Giant interacts with eve, you decide to remove all of the Giant binding sites from the eve enhancer. What results do you expect to see with respect to eve expression?
What experiment could you do to see if the maternal gene, bicoid, is sufficient to form anterior fates?
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EBK BIOLOGY: CONCEPTS AND APPLICATIONS
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- There is a species of eagle, which lives in a tropical forest in Brazil. The alula pattern of its wings is determined by a single autosomal gene with four alleles that exhibit an unknown hierarchy of dominance. Genetic testing shows that individuals 1-1, 11-4, 11-7, III-1, and III-4 are each homozygous. How many possible genotypes among checkered eagles in the population?arrow_forwardwhat is this called?arrow_forwardcan you help me identify this it's based on onion rootarrow_forward
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