What Is Nondisjunction

question 1

Multiple Choice

What is nondisjunction?

• A)failure of sperm and egg to fuse in fertilization
• B)failure of cells to divide by cytokinesis in meiosis
• C)failure of chromosomes to duplicate before mitosis or meiosis
• D)failure of homologous chromosomes or sister chromatids to separate in meiosis
• E)an extra duplication of the chromosomes before mitosis or meiosis

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Definitions:

Proportion

A statistical measure expressing the part of a whole, often presented as a fraction, decimal, or percentage.

Confidence Interval

An assembly of numerical values, generated from sample data, aimed at including the unexposed value of a population parameter.

Variance

A statistical measure that represents the degree to which a set of numbers are spread out, calculated as the average of the squared differences from the Mean.

Sample Size

The number of observations or units that make up a statistical sample.