You Have Recently Purchased a Black Angus Bull Named Maxwell,an

question 55

Multiple Choice

You have recently purchased a black angus bull named Maxwell,an advertised "pure-breeding" champion,for which you pay $1,000,000.You mate Max with several cows that are verified pure breeding black angus cows.Several years later,you mate different pairs of Max's offspring (F₁ × F₁) and find that,with certain pairings,approximately one fourth of the progeny are red (F₂) .If B = black and b = red,what were the genotypes of the original cross (Maxwell × cow) ?

• A)BB x BB
• B)Bb x BB
• C)Bb x Bb
• D)BB x bb
• E)bb x bb

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Definitions:

Coronal Plane

An anatomical plane that divides the body into dorsal (back) and ventral (front) parts.

Anterior

Refers to the front position or direction in the body.

Posterior Portions

The back parts of the body or structures situated nearer to the rear or hind end.

Cerebrospinal Fluid

The clear, colorless body fluid found in the brain and spinal cord, acting as a cushion and providing basic mechanical and immunological protection.