What Percentage of Red Cells Is Destroyed and Replaced Daily

question 23

Multiple Choice

What percentage of red cells is destroyed and replaced daily in a normal adult?

• A)1%
• B)5%
• C)10%
• D)20%

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Definitions:

Nondisjunction

An error in cell division that results in daughter cells with an incorrect number of chromosomes, leading to genetic disorders such as Down syndrome.

Chromosome 21

One of the 23 pairs of chromosomes in humans, with Down syndrome resulting from an extra copy of this chromosome.

Monosomy

Chromosome condition in which a diploid cell has one less chromosome than normal; designated as 2n − 1.

Complete Chromosome

A fully intact and functional chromosome that contains all its genetic information and structures needed for normal cellular activities and division.