Practice Questions

TLS Online TPP Program

#Question id: 7289

The following scheme shows the flowering status of a plant species and the photoperiodism. Which of the following conclusions is most appropriate?

#5. Developmental Biology

The species is a short day plant; length of the dark phase determines flowering status.
The species is a long day plant; length of the dark phase determines flowering status.
The species is a short day plant; length of the light phase determines flowering status.
The species is a long day plant; length of the light phase determines flowering status.

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TLS Online TPP Program

#Question id: 5336

#8. Inheritance Biology

In a cross between a heterozygous, red-eyed female fruit fly and a white-eyed male, what percent of the male offspring will have white eyes?(white eyes are X-linked, recessive)

TLS Online TPP Program

#Question id: 5248

#8. Inheritance Biology

Which of the following is a description of generalized transduction?

TLS Online TPP Program

#Question id: 11666

#7. System Physiology – Animal

The osmoregulatory process called secretion refers to the ________.

TLS Online TPP Program

#Question id: 3270

#11. Evolution and Behavior

Heterozygote advantage should be most closely linked to which of the following?