If a brown hair allele is represented with a B, and blonde hair is represented with a b

B. Brown Hair is dominant.

Explanation:

The dominant allele is represented with a capital letter, and a recessive allele is represented with a lower case letter.

Therefore, In this example brown hair is dominant. :)

B; brown hair is dominant.

Explanation:

Alleles that are portrayed with uppercase letters are known to be dominant alleles. Brown hair is a darker color found commonly and is dominant over the blonde color which is overall lighter thus recessive.

So your answer would be B; Brown hair is dominant

Hope this helps!

B) Carbohydrates will dissolve in water but not lipids.