Nondisjunction Can Occur at Either the First or Second Division

question 3

Multiple Choice

Nondisjunction can occur at either the first or second division of meiosis.XYY individuals would most likely arise from nondisjunction at the ________ meiotic division in the ________.

• A)first; mother
• B)second; mother
• C)first; father
• D)second; father
• E)More than one of the choices could give rise to XYY individuals.

---

Definitions:

Hind Brain

A part of the brain that includes structures such as the cerebellum and medulla oblongata, responsible for regulating basic life functions.

Cerebral Cortex

The outer layer of the cerebrum, composed of folded grey matter and playing an important role in consciousness.

Pons

A part of the brainstem that links the medulla oblongata and the thalamus, playing a crucial role in controlling breathing, communication between different parts of the brain, and sensations such as hearing.

Cerebral Cortex

The outer layer of the cerebrum, playing a key role in memory, attention, perception, cognition, awareness, and language.