In the Dihybrid Cross Aa Bb × Aa Bb, What

question 55

Multiple Choice

In the dihybrid cross Aa Bb × aa bb, what proportion of heterozygotes for both gene pairs is expected among the F₁ offspring?

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

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Definitions:

Vitamin K

A fat-soluble vitamin important for blood clotting and bone health, found in green leafy vegetables, vegetable oils, and some fruits.

Fat-Soluble Vitamin

Vitamins that dissolve in fats and oils, can be stored in the body's fatty tissue and liver, including vitamins A, D, E, and K.

Vitamin E

A fat-soluble vitamin important for maintaining healthy skin and a strong immune system, also acting as an antioxidant.

Vitamin C

An essential nutrient and antioxidant important for immune function, skin health, and the repair of body tissues.