Which of the Statements About Non-Disjunction Are True? Please Select

question 21

Multiple Choice

Which of the statements about non-disjunction are true? Please select all that apply.

• A) Non-disjunction at meiosis II has a more severe impact than at meiosis I
• B) Non-disjunction at meiosis II leads to two normal gametes and two abnormal gametes.
• C) Non-disjunction at meiosis II leads to three abnormal gametes and one normal gamete.
• D) Non-disjunction at meiosis I leads to four abnormal gametes.
• E) Non-disjunction at meiosis I leads to three normal gametes and one abnormal gamete.

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Definitions:

Haworth Structure

A way of representing cyclic sugars as planar rings, focusing on the arrangement of hydroxyl groups around the ring, used in carbohydrate chemistry.

β-D-Glucopyranose

A chemical structure of glucose in its cyclic form, where the glucose molecule forms a six-membered ring, with the hydroxyl group on the first carbon in the beta configuration.

α-D-Ribofuranose

A sugar derivative where the pentose sugar ribose is in its furanose form (a five-membered oxygen-containing ring) and has a specific orientation (alpha) of the hydroxyl group attached to the anomeric carbon.

Epimers

Stereoisomers that differ in configuration at only one stereogenic center among several.