Question

In bears, black fur is dominant over brown fur. A pure black bear is crossed with a brown bear and they have four cubs. Under ideal conditions, which of the following is true?

All of the cubs would be black.
All of the cubs would be brown.
Half of the cubs would be black and half of the cubs would be brown.
One cub would be black and three cubs would be brown.
One cub would be brown and three cubs would be black.

Answer 1

Hello There today we will solve your problem

We can use something called punnet squares

Let Pure Black Stand For BB and pure Brown stand bb

Let's set up our Punnet square

bb bb

BB Bb Bb

BB Bb Bb

Since Black is dominant over brown fur, the cubs should all be black.

Answer 2

All of the cubs would be black