Practice Questions

TLS Online TPP Program

#Question id: 12490

Tay-Sachs disease shows autosomal recessive inheritance. Parents of a newly diagnosed affected child are referred for genetic counselling. It would be correct to tell them that:

#Part-B Specialized Branches in Biotechnology

the probability that their next child will be affected is 1 in 2.
the probability that the older unaffected sister of the affected child is a carrier is 1 in 2.
the fact that their last child was affected means that their next three children will not be affected.
the probability that each parent is a carrier is 1.

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TLS Online TPP Program

#Question id: 5700

#Part-B Specialized Branches in Biotechnology

During meiosis, homologous chromosomes pair up along their lengths. The most plausible explanation for the karyotype structure shown above is that

TLS Online TPP Program

#Question id: 12491

#Part-A Aptitude & General Biotechnology

Phenylketonuria shows autosomal recessive inheritance with an incidence of 1 in 10000. Assume that the population is in Hardy-Weinberg equilibrium. Which of the following is correct?

TLS Online TPP Program

#Question id: 12683

#Part-A Aptitude & General Biotechnology

Which is the full complement of DNA from an Organism, carrying all the information needed to specify the structure of every protein?

TLS Online TPP Program

#Question id: 22919

#Part-B Specialized Branches in Biotechnology

Restriction enzymes were discovered by

TLS Online TPP Program

#Question id: 11878

#Part-A Aptitude & General Biotechnology

The greatest number by which 2300 and 3500 are divided leaving the remainders of 32 and 56 respectively is