Scelta multipla
Why don't some traits segregate independently during meiosis?
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3. Extensions to Mendelian Inheritance
Understanding Independent Assortment
Scelta multipla
Which nitrogenous base pairs with guanine in DNA?
A
Uracil
B
Thymine
C
Cytosine
D
Adenine
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Recall the base pairing rules in DNA, which state that specific nitrogenous bases pair together through hydrogen bonds.
Identify that DNA contains four nitrogenous bases: adenine (A), thymine (T), guanine (G), and cytosine (C).
Remember that adenine pairs with thymine, and guanine pairs with cytosine.
Understand that uracil is found in RNA, not DNA, and pairs with adenine in RNA instead of thymine.
Conclude that guanine pairs specifically with cytosine in DNA.
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