DNA profiling relies on an individual's ________, no two of which are the same between different people, except identical twins
A) unique set of genes
B) unique mRNA sequences
C) unique set of short tandem repeats within DNA
D) unique fingerprints
C
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If the PAX6 gene from a human is inserted into an eyeless mutant fly, what would happen?
a. nothing; human genes cannot be expressed in other species b. the fly will grow normal compound fly eyes in the normal location c. compound eyes will form wherever the gene is expressed d. the fly will develop aniridia e. the fly will grow simple human eyes in the normal location
Bioinformatics includes all of the following except
a) using computer programs to align DNA sequences. b) using mathematical tools to make sense of biological systems. c) using molecular biology to combine DNA from two different sources in a test tube. d) analyzing protein interactions in a species. e) developing computer-based tools for genome analysis.
Sometimes, splitting of the pre-embryo is incomplete during the development of twins, and ________ twins result
Fill in the blank(s) with correct word
Vestigial traits serve as a strong test of Darwin's theory of evolution by common ancestry. Looking at the fig-ure above, in which limbless organisms would you expect to find vestigial limbs?
a. jellyfish c. fish b. annelid worms d. snakes