Eye color in fruit flies is an X-linked character with red eyes (R) dominant to white eyes (r). The Y chromosome does not have a gene locus for eye color. What is the outcome of a mating between a red-eyed male (XRY) and a red-eyed heterozygous female (XRXr)

Which of the following are false concerning microbes? a. microbes generate oxygen through photosynthesis.b. the primary role of microbes on the planet involves causing disease in animals and humans.c. microbes produce vitamins in the intestines.d. microbes play a role in breaking down waste and decomposing dead organisms.

What is used as a template during replication? a- mrna b- trna c- rrna d- dna

Why are carbon dioxide concentrations expected to increase? a carbon dioxide concentrations are expected to increase, because fossil fuel burning is expected to increase b. carbon dioxide concentrations are expected to increase, because of an increase in agriculture. c.carbon dioxide concentrations are expected to increase, because more land will have to be cleared for increasing populations and agricultural use. d. all of the above select the best answer from the choices provided mark this and return save and exit next submit submit