Which two of the following are the CORRECT statements ?

P. Nondisjunction in the parental meiosis is not essential to produce diploid organisms

Q. Nondisjunction in the parental meiosis is essential to produce aneuploid organisms

R. Nondisjunction in the parental meiosis is essential to produce hexaploid organism

S. Nondisjunction in the parental meiosis is essential to produce tetraploid organisms

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#Question id: 3766

#XL - Q Biochemistry

Individuals with the disorder xeroderma pigmentosum are hypersensitive to sunlight, and mutations to the DNA in their skin cells are left uncorrected. Why are the mutations not corrected in individuals with this disorder?

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#Question id: 3767

#XL - Q Biochemistry

Which of the following characteristics would you expect of a eukaryotic organism that lacks the enzyme telomerase?

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#Question id: 3768

#XL - Q Biochemistry

After the first replication was observed in their experiments testing the nature of DNA replication, Meselson and Stahl could be confident of which of the following conclusions?

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#Question id: 3769

#XL - Q Biochemistry

Within a double-stranded DNA molecule, adenine forms hydrogen bonds with thymine, and cytosine forms hydrogen bonds with guanine. What is the significance of the structural arrangement?

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#Question id: 3770

#XL - Q Biochemistry

Semiconservative replication involves a template. What is the template?

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#Question id: 3771

#XL - Q Biochemistry

In DNA replication, the resulting daughter molecules contain one strand of the original parental DNA and one new strand. What is the explanation for this phenomenon