KVPY Government Jobs Exams

In a diploid organism, there are three different alleles for a particular gene. Of these three alleles one is
recessive and the other two alleles exhibit co-dominance. How many phenotypes are possible with this set of
alleles ?
(A) 3 (B) 6 (C) 4 (D) 2

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KVPY Other Question

A bust cell has intracellular bacteria symbionts. If the growth rate of the bacterial symbiont is always 10%
higher than that of the host cell, after 10 generations of the host cell the density of bacteria in host cells will
increase -
(A) by 10 % (B) two-fold (C) ten-fold (D) hundred-fold Two students are given two different double stranded DNA molecules of equal length. They are asked to
denature the DNA molecules by heating. The DNA given to student A has the following composition of
bases (A:G:T:C:35:15:35:15) while that given to student B is (A:G:T:C::12:38:12:38). Which of the
following statements is true ?
(A) Both the DNA molecules would denature at the same rate
(B) The information given is insufficient to draw any conclusion
(C) DNA molecule given to student B would denature faster than that of student A
(D) DNA molecule given to student A would denature faster than that given to student B