In sickle-cell disease, an allele produces red blood cells with an abnormal shape, which affects many other trats in he same individual. What genetic behavior does this describe?

A runner complained to his friends that he could not "get enough breath." They suggested that he talk with his doctor.

Think about the different types of animals you've seen throughout your life. What characteristics do all of these animals share? ((Edmentum Question AKA Plato))

Following an intense workout your clothes are drenched in sweat. You estimate you lost at least 0.5 L of sweat. Your (similarly sized) friend skipped her workout to donate blood and you found out she donated 0.5 L of plasma.

What type of mutation do scientists look for in a molecular clock

En que etapa de la meiosis se forma un nuevo nucleo

Which of the following statements are correct? Choose all that apply. Which of the following statements are correct? Choose all that apply. During transcription, active genes are brought to the periphery of a territory.

What happens during S phase? O A. Chromosomes are duplicated. O B. The cell splits in two. O C. DNA separates into two nuclei. O D. Cytoplasm is manufactured.

How does a salmon increase the chances of the survival of it species? a. it lays eggs b. it nurture young c it splits into two d it lays thousands eggs

What structure prevents food and liquids from entering the trachea?

Hormones are chemical molecules produced by endocrine glands. One such endocrine gland is the thyroid gland, which synthesizes the thyroid hormone, which in turn affects the heart muscles.