Many Chromosome Abnormalities (Trisomies and Monosomies) Are Not Observed in the Human

question 107

Multiple Choice

Many chromosome abnormalities (trisomies and monosomies) are not observed in the human population because

• A) they are lethal and cause spontaneous abortion of the embryo early in development.
• B) all trisomies and monosomies are lethal early in childhood.
• C) meiosis distributes chromosomes to daughter cells with great precision.
• D) they are so difficult to count.
• E) the human meiotic spindle is self-correcting.

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Definitions:

Median Hours

The middle value of the total hours studied or worked, sorted in ascending or descending order.

Sample Mean Hours

The average number of hours calculated from a sample, used to estimate the mean hours of a population.

Stem And Leaf Display

A graphical method of displaying quantitative data to show its distribution, using stems and leaves to group data points.

Central Location

A statistical term referring to the center or middle value of a probability distribution, commonly identified by measures like mean, median, and mode.