___________ Occurs When There Is an Extra Chromosome in the 21^st

question 32

Multiple Choice

___________ occurs when there is an extra chromosome in the 21^st pair of chromosomes.

• A) Down syndrome
• B) Sickle-cell anemia
• C) Listeria
• D) PKU

---

Definitions:

Visual Experiences

Perceptions and interpretations of the surrounding environment through the sense of sight.

Remember

The cognitive process of recalling information, experiences, or people from one's past.

Social Pressure

The influence exerted by society on individuals to conform to expected norms and behaviors.

Memory

The faculty by which the mind stores and remembers information.