Practice Questions

TLS Online TPP Program

#Question id: 15007

You set up a cross between true breeding wild type male fruit flies and true breeding female flies with a yellow body color. You notice in the F1 generation that half the flies, specifically all the males, have yellow body color while the females are wild type (gray). Which of the following explanations is the most likely?

#Unit 8. Inheritance Biology

Some of your females had already mated with yellow males before you collected them.
Some of your parental flies must have had a new mutation in their germ cells.
The mutation which causes yellow body color is on the X chromosome.
The mutation which causes yellow body color is on the Y chromosome.

More Questions

TLS Online TPP Program

#Question id: 12223

#Unit 10. Ecological Principles

Evidence shows that some grasses benefit from being grazed. Which of the following terms would best describe this plant-herbivore interaction?

TLS Online TPP Program

#Question id: 12224

#Unit 10. Ecological Principles

Which of the following terms best describes the interaction between termites and the protozoans that feed in their gut?

TLS Online TPP Program

#Question id: 12225

#Unit 10. Ecological Principles

Which of the following interactions can correctly be labeled coevolution?

TLS Online TPP Program

#Question id: 12226

#Unit 10. Ecological Principles

Which of the following types of species interaction is correctly paired with its effects on the density of the two interacting populations?

TLS Online TPP Program

#Question id: 12227

#Unit 10. Ecological Principles

During the course of the formation of a parasite/host relationship, a critical first step in this evolution would be

TLS Online TPP Program

#Question id: 12228

#Unit 10. Ecological Principles

Which of the following examples best describes an ecological community?