a plant can have either brown (b) or red (b) leaves. brown is the dominant
trait. if a plant has genotype bb, which best describes the plant?

a. homozygous with red leaves

b. heterozygous with red leaves

c. heterozygous with brown leaves

d. homozygous with brown leaves

D. Homozygous with brown leaves

Explanation: Genes that occur in pairs can be homozygous or heterozygous. A homozygous allele is one with the two identical genes, for example BB, bb; while a heterozygous allele is one with two different genes, for example Bb.

image result for how many calories of energy will 20 grams of carbohydrates provide in one gram provides 4 calories

consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.