The allele for cystic fibrosis is recessive. what does this mean? a. the allele for cystic fibrosis is only passed along when a person carrying it is homozygous for it. b. cystic fibrosis will kill any person with that allele. c. cystic fibrosis never affects anyone with the allele--it is only carried. d. cystic fibrosis can be carried in a heterozygote and kill a homozygous offspring.

During sunny hours, a large amount of build up between the hours of 1: 00-5: 00 pm. a. ozone b. mercury c. lead d. sulfuric acid

Select the word from the list that best fits the definition a system made of 25 satellites

What is the main difference between the central nervous system (cns) and the peripheral nervous system (pns)? .the cns involves the brain and spinal cord, and the pns involves the body nerves. the cns involves the body nerves, and the pns involves the brain and spinal cord. the cns involves sensory neurons, and the pns involves motor neurons. the cns involves motor neurons, and the pns involves sensory neurons.