If a trait's allele frequency is 100% recessive, how much variation is in the gene pool? *
1. 0% variation
2. 25% variation
4. 50% variation
4. 75% variation

Aheterozygous normal male marries a woman with a sickle cell anemia. give the genotypes and possible phenotypes of the offspring

Which type of landforms forms at the plate boundary as a result of divergent stress

Which contributions did galileo make to the model of the solar system? check all that apply. a mathematical model for the orbits of the planets scientifically accurate data on planetary orbits data that showed that planets reflected sunlight similar to earth's moon up the idea that stars are other suns that do not move u observations of the moons of jupiter rotating around the gas giant