If Both Chromatids of a Sister-Chromatid Pair Are Found in One

question 17

Multiple Choice

If both chromatids of a sister-chromatid pair are found in one daughter cell, what has likely occurred? ​

• A)improper replication of DNA
• B)failure of maternal and paternal chromosomes to separate ​
• C)nondisjunction during meiosis I ​
• D)nondisjunction during meiosis II ​
• E)an error during crossing-over ​

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Definitions:

Joints

Connections between bones in the body which facilitate movement and provide support.

Tendons

Tough, flexible bands of fibrous connective tissue that connect muscles to bones and help in the movement of joints.

Smooth Muscle

A type of muscle found in the walls of internal organs such as the stomach, intestines, and blood vessels, responsible for involuntary movements.

Iris

The colored part of the eye surrounding the pupil, controlling light levels inside the eye by adjusting the size of the pupil.