Fill in the Numbered Blanks Below Using Single Words

question 4

Essay

Fill in the numbered blanks below using single words
The whole point of meiosis is to increase genetic ___1___ . That occurs in two ways. First, as a result of independent ___2____ of homologous chromosomes, sperm and egg cells contribute only one of the two alleles at each diploid locus in the two parents. Secondly, the process of ____3_____ ensures that the individual chromosomes in a sperm or egg cell are a mixture of alleles present on both homologs of the paternal or maternal grandparents. _____3______ involves breakage and re-joining of DNA strands on _____4_____ chromatids that can be observed under the microscope. The point of ___5____ (at which the chromatids have broken and re-joined) can be visualized under the microscope, when it is referred to as a _____6____ .

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Definitions:

Confounding Variable

An external variable that influences both the independent and dependent variables in an experimental design, leading to a potential false association between the studied variables.

Random Factor

A random factor is an unpredictable variable that can influence the outcome of an experiment or situation, often beyond control.

Dependent Variable

In research, the variable being tested and measured, expected to be influenced by another variable known as the independent variable.

Self-Report Biases

Distortions in self-report measures due to systematic differences between what respondents report and what is true, often driven by social desirability or memory inaccuracies.