Independent Assortment of Chromosomes Is a Result of ________

question 52

Multiple Choice

Independent assortment of chromosomes is a result of ________.

• A) the random way each pair of homologous chromosomes lines up at the metaphase plate during meiosis I
• B) the random combinations of eggs and sperm during fertilization
• C) the random distribution of the sister chromatids to the two daughter cells during anaphase II
• D) the relatively small degree of homology shared by the X and Y chromosomes
• E) the diverse combination of alleles that may be found within any given chromosome

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Definitions:

Stretch Reflexes

Reflex actions initiated by stretching the muscles, which in turn respond by contracting, contributing to posture and locomotion.

Proper Posture

The alignment and positioning of the body in a way that reduces stress on muscles, joints, and ligaments during activity or at rest.

Lateral Gray Horns

Regions located in the spinal cord that contain neuron cell bodies involved in the control of autonomic (involuntary) functions.

Autonomic Motor Neurons

Nerve cells that control involuntary actions of the muscles and glands, part of the autonomic nervous system.