In Tanzania, 4% (0.040) of the population are homozygous sickle-cell anemics (ss) and 32% (0.320) are heterozygous (Ss). From this data, calculate the proportion of alleles that are s and S.

Kelly ran electricity though a sample of water using electrolysis. the water changed into two gases, x and y. it was not possible to break down the gases x and y into simpler particles.

The negative change found inside the plasma membrane is created by potassium ions sodium ions hydrogen ions chlorine ions

How are the testes and ovaries similar? a. both produce sex cells. b. both connect internal reproductive organs to the exterior. c. both transport sex cells from their site of production. d. both store mature sex cells.