2. The genotype of F1 individuals in a tetrahybrid cross is TtXxYYZz. Assuming independent assortment of these four genes, what are the probabilities that F2 offspring will have the following genotypes? a) ttXXTTZZ b) TtxxYYZZ c) ttxxYYzz d) ttxxyyzz

Identify the main component f natural gas

Which statements describe resources? one of the factors people use when deciding where they will live is the availability of resources. renewable resources have little value for people. resources are unevenly distributed throughout the world. energy is the world resource which has the highest use. the use of nonrenewable resources has decreased in recent history. the use of resources is evenly distributed throughout the world. the world's oil supply will last for the next forty years if its use continues as expected.

Which of the following is a true statement? a. individuals evolve to have adaptations. b. individuals have adaptations that can change over time. c. individuals have traits that may or may not make them successful at reproduction. d. populations cant evolve, only individual organisms.