The correct answer is:
It occurs when part of a chromosome breaks off and attaches to another chromosome.
It results in the duplication of these genes on the same chromosome.
Fragile X syndrome can occur where a person would have 700 insertion repeats.
Difficulties include delay in crawling or walking, hyperactive or impulsive behavior, mental retrdation, flat feet, flexible joints, and large body size.
Hope it helps!
Insertion occurs when part of a chromosome breaks off and attaches to another chromosome. It results in the duplication of these genes on the same chromosome.
A chromosome is made up of proteins and DNA organized into genes and found inside the nucleus of a cell. Each cell normally contains 23 pairs of chromosomes
Fragile ˣ syndrome can occur where a person would have 700 insertion repeats. Difficulties include delay in crawling or walking, or impulsive behavior, flat feet, flexible joints, and large body size.
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