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TLS Online TPP Program

#Question id: 11092

Which statement is the most accurate definition of external respiration?

#Part-B Specialized Branches in Biotechnology
  1. Bulk flow (convection) of air or water to and from the gas-exchange membrane.
  2. The process by which O2 is transported to the gas-exchange membrane from the environmental medium and by which CO2 is transported away from the membrane into the environmental medium.

  3. The process by which CO2 is transported to the gas-exchange membrane from the environmental medium and O2 is transported away from the membrane into the environmental medium.

  4. Diffusion of O2 and CO2 across the gas exchange membrane.
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TLS Online TPP Program

#Question id: 3216

#Part-A Aptitude & General Biotechnology

The frequency of galactosemia is approximately 1 in 40,000 live births. The frequency of the carrier state can be calculated as
TLS Online TPP Program

#Question id: 3250

#Part-A Aptitude & General Biotechnology

Consider a diploid population at Hardy-Weinberg equilibrium. For a locus with two alleles, the frequency of the A1A1, A1A2 and A2A2 genotype is 0.01, 0.18 and 0.81) Which of the following statement is correct?
TLS Online TPP Program

#Question id: 3251

#Part-A Aptitude & General Biotechnology

Looking at 3 allele per locus and following Hardy Weinberg equilibrium what will be the expected heterozygosity if q1=0.5, q2=0.3, q3=0.2
TLS Online TPP Program

#Question id: 3252

#Part-A Aptitude & General Biotechnology

 The unaffected brother of a cystic fibrosis affected girl is referred for genetic counseling. Assume that the population is in Hardy-Weinberg equilibrium. Which of the following is correct?  (Cystic fibrosis is an autosomes recessive inheritance with an incidence of 1 in 2500).
TLS Online TPP Program

#Question id: 3253

#Part-A Aptitude & General Biotechnology

In a population 64% individuals of 1000 population are affected with autosomes dominant diseased. How many individuals are expected carry at least one dominant allele?
TLS Online TPP Program

#Question id: 3254

#Part-A Aptitude & General Biotechnology

Consider a single locus with 2 alleles which are at Hardy-Weinberg equilibrium. If the frequency of the heterozygous genotypes is 0.42, what is the frequency of one homozygote in the population?