Two pairs of independently segregating genes with two alleles each, A/a and B/b, determine plant height additively in a population. The homozygote AA BB is 50 cm tall, and the homozygote aa bb is 30 cm tall. a. What is your prediction of the height in a cross between the two homozygous stocks? b. What genotypes in the will show a height of 40 cm after an cross? c. What will be the frequency of the 40-cm plants? d. What assumptions have you made in answering this question?

Cells tend to have a relatively small and uniform size. why aren’t cells larger?

Theories basic to all of the life sciences include the germ theory of disease. theory of evolution by natural selection. o two of these answers are correct none of these answers are correct o cell theory.

In 2015, about ten percent of total u. s. energy consumption was from renewable energy sources. renewable energy plays an important role in reducing greenhouse gas emissions. when renewable energy sources are used, the demand for fossil fuels is reduced. sanjay and his family want to cut back on their use of non-renewable resources at home. they are thinking of an alternate way to heat their home without adding more greenhouse gases or pollutants to the environment. which renewable resource would not fit into their plan? a) solar power b) burning wood c) constructing a wind turbine eliminate d) generating hydroelectric power