Cystic fibrosis is an inherited disease that occurs when an individual is homozygous for a recessive allele. if parents are both heterozygous for this characteristic, what is the probability that their first child will have cystic fibrosis?

The body is protected against harmful flu viruses by

Number and variety of living organism; includes genetic, species, and ecological types

Describe the change in phase and temperature as water moves from the oceans to the atmosphere and then returns to earth again as rain. a) evaporation : temperature increases; condensation : temperature decreases; precipitation (rain) : temperature decreases b) evaporation : temperature increases; condensation : temperature decreases; precipitation (rain) : temperature increases c) evaporation : temperature decreases; condensation : temperature decreases; precipitation (rain) : temperature decreases d) evaporation : temperature increases; condensation : temperature increases; precipitation (rain) : temperature decreases