The First 22 Chromosomes Contain Hundreds of Genes in the Same

question 5

Multiple Choice

The first 22 chromosomes contain hundreds of genes in the same positions and sequence. If the code of the gene from one parent differs from the code on the same gene from the other parent, the gene pair is _____.

• A) homozygous
• B) heterozygous
• C) monozygotic
• D) dizygotic

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Definitions:

Depolarization

The process of reducing the electrical charge difference across a cell membrane, crucial for the propagation of nerve impulses.

Sodium Ions

Positively charged particles of sodium, vital for maintaining the electrolyte balance and blood pressure in the body.

Axon

A long, slender projection of a nerve cell that typically conducts electrical impulses away from the neuron's cell body.

Dendrites

Branched extensions of a neuron that receive impulses from other neural cells and transmit them towards the cell body.