Which of the following statements about polymerase chain reaction is correct?

a) PCR denaturation temperature calculated by using Y = X (1+E)n

b) Size of the primer negatively affects the efficiency of PCR

c) Standard PCR doesn’t efficiently amplify sequence much longer than about 5kb.

d) Primer annealing of PCR at 550C for 1.5 min.

e) Time taken for each cycle of PCR considerably longer than 3 min.

#Question id: 5319

#Part-A Aptitude & General Biotechnology

When gene duplication occurs to its ultimate extent by doubling all genes in a genome, which of the following results has occurred?

#Question id: 5319

#Part-B Specialized Branches in Biotechnology

When gene duplication occurs to its ultimate extent by doubling all genes in a genome, which of the following results has occurred?

#Question id: 5321

#Part-B Specialized Branches in Biotechnology

Biologists now routinely test for homology between genes in different species. If genes are determined to be homologous, how are they related to each other?

#Question id: 5323

#Part-B Specialized Branches in Biotechnology

An X-linked recessive gene produces red-green color blindness in humans. A woman with normal color vision whose father was color-blind marries a color-blind man. What is the probability that their son will be color-blind?

#Question id: 5323

#Part-A Aptitude & General Biotechnology

An X-linked recessive gene produces red-green color blindness in humans. A woman with normal color vision whose father was color-blind marries a color-blind man. What is the probability that their son will be color-blind?

#Question id: 5362

#Part-B Specialized Branches in Biotechnology

From the following select the possible mode of inheritance and the probability that the daughter in generation III will show the trait.