This Problem Deals with Eye Color, an Inherited Trait Find the Probability That These Parents Give Birth to a Purposes

question 214

Multiple Choice

This problem deals with eye color, an inherited trait. For purposes of this problem, assume that only two eyecolors are possible, brown and blue. We use b to represent a blue eye gene and B a brown eye gene. If any Bgenes are present, the person will have brown eyes. The table shows the four possibilities for the children oftwo Bb (brown-eyed) parents, where each parent has one of each eye color gene. $\begin{array}{cc|cc} &&\text { Second Parent } \\& & \mathrm{B} & \mathrm{b} \\\hline & \mathrm{B} & \mathrm{BB} & \mathrm{Bb} \\ \text { First Parent } \\& \mathrm{b} & \mathrm{Bb} & \mathrm{bb}\end{array}$

Find the probability that these parents give birth to a child who has blue eyes.

• A) \(\frac { 1 } { 4 }\)
• B) \(\frac { 1 } { 2 }\)
• C) 1
• D) 0

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