Two pure line of corn have mean cob length of 15 cm and 5 cm, respectively. 6 polygenes involved in this trait exhibit additive gene action. Crossing these two lines is expected to produce a progeny population with mean cob length of

TLS Online TPP Program

#Question id: 4902

#Unit 8. Inheritance Biology

Leber hereditary optic neuropathy (LHON) is mitochondrial diseases present in family. Which of the following observation is correct?

TLS Online TPP Program

#Question id: 5699

#Unit 8. Inheritance Biology

A chromosome aberration leads to no change in amount of gene in a genetic map however, appearance of loop in heterozygous condition. This is due to

TLS Online TPP Program

#Question id: 10224

#Unit 6. System Physiology – Plant

Exposure to high levels of excess light that damage the photosynthetic system and decrease both quantum efficiency and maximum photosynthetic rate results

TLS Online TPP Program

#Question id: 4306

#Unit 3. Fundamental Processes

Which of the following molecules helps to "turn off" genes in a cell?

TLS Online TPP Program

#Question id: 11986

#Unit 10. Ecological Principles

Which of the following statements is (are) true of fixed action patterns?