Multiple Choice
Which statement best explains why chromosomes, rather than individual genes, assort independently during meiosis?
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3. Extensions to Mendelian Inheritance
Understanding Independent Assortment
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Which of the following correctly pairs the nucleotide bases with their complementary partners in DNA?
A
Adenine with Thymine, Guanine with Cytosine
B
Adenine with Cytosine, Guanine with Thymine
C
Adenine with Guanine, Thymine with Cytosine
D
Adenine with Uracil, Guanine with Thymine
Verified step by step guidance1
Recall the base pairing rules in DNA, which are based on the chemical structure and hydrogen bonding between nucleotide bases.
Identify that in DNA, Adenine (A) pairs specifically with Thymine (T) through two hydrogen bonds.
Recognize that Guanine (G) pairs specifically with Cytosine (C) through three hydrogen bonds.
Understand that Uracil (U) is not found in DNA but in RNA, where it pairs with Adenine instead of Thymine.
Use this knowledge to match the correct complementary base pairs: Adenine with Thymine, and Guanine with Cytosine.
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