Eric Is More Likely Than His Sister to Be Negatively

question 73

Multiple Choice

Eric is more likely than his sister to be negatively affected by X-linked disorders because __________.

• A) males are more likely than females to inherit harmful recessive alleles
• B) the Y chromosome is much longer than the X chromosome
• C) the Y chromosome lacks many corresponding genes to override those on the X chromosome
• D) his sex chromosomes match, which makes him more susceptible to disease

Understand the concept and function of the myelin sheath in neurons.

Explain the process of neural conduction and signal transmission in the nervous system.

Identify the structure and function of neurons.

Understand the process of how neurons transmit information.

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Definitions:

Chemical Name

A term that provides the scientific and technical information about the chemical composition and molecular structure of a substance.

Hypochondriac

A person excessively worried about having a serious illness, often with no basis for such concerns.

Lumbar

Relating to the lower part of the back or the lower spine between the thoracic spine and the sacral region.

Iliac

Pertaining to the ilium, the largest bone of the pelvis.