In the f2 generation of mendel’s crosses, a. all plants had the dominant trait. b. half of the plants had the dominant allelec. all plants had both the dominant and recessive alleles. d.one in four plants had two alleles for the recessive trait.

What are the four stages of cell signaling?

Skulls of homo sapiens were found during an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are ( 1 ) fossils. ( 1 ) a. mineralized b. mold c. original-tissue

Water changes bacteria in the soil converts this nutrient into a usable form. plants take up the usable nutrient through the soil and assimilate it into proteins, making it part of the plant. an animal eats the plants, and the nutrient becomes part of the animal. when the animal dies, it decomposes, returning the nutrient back to the soil. which cycle is being described? water cycle carbon cycle nitrogen cycle phosphorous cycle