5. The family tree below shows the trait of having attached earlobes. Having attached earlobes is recessive, and having detached earlobes is dominant. People with attached earlobes are shaded in. a) Describe the sex and characteristics of the person labeled A. (1 point)

b) Describe the genotype of the person labeled B. (1 point)

c) Describe the genotype of the person labeled C. (1 point)

d) Could the person labeled D have a recessive allele? Explain. (1 point)

Many people try to eliminate fat from their diets. which is one reason it is necessary for humans to eat fat? a. eating fat is the fastest way to get energy. b. fat eliminates triglycerides from the body. c. saturated fats clear out the blood vessels. d. fat nerves transmit signals. , this is for apex in summer school.

Why do carbohydrate molecules function so well as fuel for the body?

During crossing-over, a. genetic material is exchanged between nonsister chromatids, resulting in new combinations of alleles. b. nonsister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. c. one homologous chromosome of a tetrad is exchanged with another tetrad, resulting in new combinations of alleles. d. sister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. e. genetic material is exchanged between sister chromatids, resulting in new combinations of alleles.