How is ground water naturally purified? A: water is purified by freezing

B: water is filtered by flowing through soil

C: water in aquifers over millennia

D: impurities precipitate out

Match the types of competition to their descriptions

To determine if a particular plant is homozygous or heterozygous, you would have to test cross with a

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.