Select all that apply. Which of the following statements are true?
A purebred organism can either be TT or tt.
The combination of two genes determines the genetic trait of an organism.
Recessive genes will sometimes be masked by dominant genes.
It is possible for two genetically different plants to have the same phenotype.

Ineed ! when you answer this question, 98 points will be added to your account and the person that answers this question first will get the brainliest answer. so,here's the question the owners of a large tropical resort are considering a plan to destroy a large coral reef just offshore. they reason that, if the reef is gone, cruise ships will be able to dock closer to their resort and they will gain business. write a letter to the resort’s owners explaining how they might benefit more by preserving the reef instead.

Asolution of an enzyme and a substrate was placed in a water bath and the temperature of the reaction was raised gradually. the graph shown was plotted at the end of the experiment. what can be concluded from the graph? a) temperature has no effect on the activity of the enzyme. b) the effect of temperature on the enzyme is unpredictable. c) the enzyme shows increased activity up to a certain temperature. d) the activity of the enzyme is inversely proportional to the temperature.

Penelope studies how the structure and function of the nervous system is related to behavior. she is a psychologist