Which three characteristics are used to classify prokaryotes?
a. by size, where they live, and whether they need air.
b. whether they have cell walls, flagella or cilia, and nuclei.
c. how they reproduce, where they get food, and whether they have dna.
d. by shape, how they move, and how they get energy.

Many farmers prefer cattle without horns because it is safer for their herds. the allele for no horns (n) is dominant to the allele for the presence of horns (n). a farmer mates a male with horns to a heterozygous female without horns. what is the chance that the offspring will have horns?

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

Refer to the family pedigree shown here. in generation i, one parent is affected by the gene mutation and one parent isn't. in generation ii, all three children are affected by the gene mutation. what can you conclude about this gene mutation? a. all children born in future generations will be affected by this disorder. b. this gene mutation is a dominant disorder. c. this gene mutation is a recessive disorder. d. the generation i mother is a carrier of this gene mutation.