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TLS Online TPP Program
#Question id: 1689
#Unit 4. Cell Communication and Cell Signaling
The intermolecular forces that contribute to the interaction between antibody and antigen:
TLS Online TPP Program
#Question id: 5108
#Unit 5. Developmental Biology
The absence of limbs in snakes may be attributable to the evolution of changes in:
TLS Online TPP Program
#Question id: 17808
#Unit 8. Inheritance Biology
In humans, albinism (unpigmented skin, hair, and eyes) is due to an enzymatic deficiency, and it is an autosomal recessive trait. Suppose that in a small country of one million people (“Generation 1”), there are 500 aa albinos and 9000 Aa heterozygous carriers. What is the probability that a child will be albino if: One parent is a non-albino member of Generation 2, and the other parent is a non-albino member of Generation 1.
TLS Online TPP Program
#Question id: 2674
#Unit 2. Cellular Organization
Most gene regulation happens at which step along the way?
TLS Online TPP Program
#Question id: 16137
#Unit 13. Methods in Biology
You obtain 6 BACs (of known order, as shown below) and 7 STSs (of unknown order) that derive from a region of mouse chromosome 16 whose genomic sequence has not yet been finished.
By PCR (using 20-bp primers at either end of each STS), you test each of the 6 BACs for the presence (+) or absence (-) of each of the 7 STSs. You obtain the following results:
How would you use the sequence information presented in to design two new STSs (with new PCR primer pairs) to replace STS5? (Call the new ones STS51 and STS52. STS51 should be present (+) in BAC B, and STS52 should be present (+) in BAC F.)