Asked by Amanda Crosby on Jun 04, 2024
Verified
The most common autosomal abnormality seen among humans is
A) Edwards syndrome.
B) XXY.
C) Patau syndrome.
D) a deletion in chromosome 5.
E) trisomy 21.
Trisomy 21
A genetic disorder caused by the presence of an extra 21st chromosome, also known as Down syndrome.
Autosomal Abnormality
A genetic condition caused by a mutation in one of the autosomal (non-sex) chromosomes, affecting both males and females equally.
Edwards Syndrome
A genetic disorder caused by the presence of all or part of an extra 18th chromosome, characterized by developmental delays, intellectual disability, and various physical abnormalities.
- Recognize the genetic underpinnings of chromosomal disorders such as Down syndrome and Turner syndrome.
Verified Answer
PM
Pejman MesdaghiJun 08, 2024
Final Answer :
E
Explanation :
Trisomy 21, also known as Down syndrome, is the most common autosomal abnormality among humans. It is caused by the presence of an extra copy of chromosome 21, resulting in characteristic physical and intellectual disabilities.
Learning Objectives
- Recognize the genetic underpinnings of chromosomal disorders such as Down syndrome and Turner syndrome.