Beau's Mother and Father Each Carry a Dominant Gene for Brown

question 75

Multiple Choice

Beau's mother and father each carry a dominant gene for brown eyes and a recessive gene for blue eyes.The probability that Beau's eyes are blue is:

• A) 0.75
• B) 0.50
• C) 1.00
• D) 0.25

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Definitions:

Endoplasmic Reticulum

An organelle in eukaryotic cells that plays a key role in protein and lipid synthesis and transport.

Nuclear Envelope

Double membrane structure surrounding and enclosing the nucleus.

Chromosomes

Structures made of DNA and protein that contain the genes and are found in the nucleus of eukaryotic cells.

Nuclear Pores

Porelike openings in the nuclear envelope where the inner and outer membranes fuse.