For the Cross AaBb × Aabb,what Proportion of F₁ Offspring

question 80

Multiple Choice

For the cross AaBb × aabb,what proportion of F₁ offspring will be heterozygous for both gene pairs? Assume independent assortment.

• A) 1/4
• B) 1/2
• C) 3/4
• D) All are heterozygotes.
• E) None are heterozygotes.

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Definitions:

Systolic

Referring to the phase of the heartbeat when the heart muscle contracts and pumps blood from the chambers into the arteries.

Diastolic

Pertaining to the phase of the heartbeat when the heart muscle relaxes and allows the chambers to fill with blood.

Ventricular Muscle

The muscle tissue that makes up the walls of the ventricles in the heart, responsible for pumping blood through the body.

Heart Rate

The number of heartbeats per unit of time, typically expressed as beats per minute (BPM).