If a Pair of Homologous Chromosomes Fails to Separate During

question 48

Multiple Choice

If a pair of homologous chromosomes fails to separate during anaphase of meiosis I, what will be the chromosome number of the four resulting gametes with respect to the normal haploid number (n) ?

• A)n + 1; n + 1; n - 1; n - 1
• B)n + 1; n - 1; n; n
• C)n + 1; n - 1; n - 1; n - 1
• D)n + 1; n + 1; n; n
• E)n - 1; n - 1; n; n

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Definitions:

Joint Stepfamily

At least one child is the biological child of both parents, at least one child is the biological child of only one parent and the stepchild of the other parent, and no other type of child is present.

Mother-Stepfather

A family structure that includes a biological mother and her spouse, who is not the biological father of her children.

Father-Stepmother Family

A family structure where a child is raised by their biological father and a stepmother.

Previous Marriage

A marriage that one or both individuals were involved in before their current relationship.