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in a species of mouse, brown fur (b) is dominant over white fur (b) if a heterozygous brown mouse is
crossed with a white-colored mouse, what would be true of their possible offspring?
100% bb
25% bb, 25% bb, and 50% bb
50% bb and 50% bb
75% bb and

50% Bb and 50% bb

Explanation:

       B       b

b     Bb     bb

b     Bb     bb

therefore the genotype percentage for Bb: bb is 50:50%

the phenotype is 2 brown: 2 white

brain development. a child's brain undergoes an amazing period of development from birth to three—producing more than a million neural connections each second. the development of the brain is influenced by many factors, including a child's relationships, experiences and environment.

explanation:

b. to discover aspects of the natural world.

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