A number of all-white cats are crossed and they produce the following types of progeny: 12/16 all-white, 3/16 black and 1/16 gray. If the genotype black progeny is A_bb. Which of the following statement are correct?

a. Epistatic genes is recessive.

b. Epistatic gene is dominant

c. A gene is dominant epistatic

d. B gene is dominant epistatic

e. aa gene is recessive epistatic

f. bb gene is recessive epistatic

TLS Online TPP Program

#Question id: 10398

#Unit 6. System Physiology – Plant

Which of the following phytochromes shows very few responses due to their highly regulated transcriptional and translational level?

TLS Online TPP Program

#Question id: 227

#Unit 1. Molecules and their Interaction Relevant to Biology

Which structure in shown?

TLS Online TPP Program

#Question id: 3449

#Unit 11. Evolution and Behavior

Female spotted sandpipers aggressively court males and, after mating, leave the clutch of young for the male to incubate. This sequence may be repeated several times with different males until no available males remain, forcing the female to incubate her last clutch. Which of the following terms best describes this behavior?

TLS Online TPP Program

#Question id: 7179

#Unit 5. Developmental Biology

Blocking BMP(BMP2, BMP4, BMP7) signaling by infecting progress zone cells with retroviruses carrying dominant negative BMP receptors. Which of the following results are found?

TLS Online TPP Program

#Question id: 14492

#Unit 13. Methods in Biology

A die is rolled. The probability of getting a number 1 or 6 on the upper face is