Ptosis (droopy eyelid) may be inherited as a dominant human trait. Among 30 people who are heterozygous for the ptosis allele, 10 have ptosis and 20 have normal eyelids. What is the penetrance for ptosis?

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#Question id: 3797

#XL - Q Biochemistry

Throughout interphase, _______ are synthesized at a relatively constant rate, whereas _______ are synthesized only during the S phase.

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#Question id: 3798

#XL - Q Biochemistry

Which of the following forms of DNA can serve as a template for DNA polymerase?

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#Question id: 3799

#XL - Q Biochemistry

If replicating bacteria are given a short pulse of radiolabeled thymidine and rapidly killed, the radiolabel shows up as:

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#Question id: 3800

#XL - Q Biochemistry

If a reaction mixture of replicating DNA is suddenly diluted:

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#Question id: 3801

#XL - Q Biochemistry

Why should patients with xeroderma pigmentosum avoid sunlight?

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#Question id: 3802

#XL - Q Biochemistry

The last DNA to be replicated in the eukaryotic chromosome is: