The Most Common Chromosomal Abnormality Seen in Down Syndrome Is

question 109

Short Answer

The most common chromosomal abnormality seen in Down syndrome is the __________ of chromosome 21.

---

Definitions:

Anthropoids

A group of primates that includes monkeys, apes, and humans, characterized by larger brains and more complex behavior compared to other primates.

Valid Taxonomic Group

A group of organisms recognized by taxonomists to form a category in the hierarchy of biological classification.

Monkeys

Primates typically characterized by a tail, often arboreal with complex behaviors and high intelligence.

Co-Option

The process by which nature reuses an existing feature or trait for a new purpose, similar to exaptation.