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TLS Online TPP Program

#Question id: 3252

 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).

#XL - T Zoology

  1. The probability that the brother is a carrier is 1/2)

  2. If the brother has a child with a healthy unrelated partner the probability that the child will be affected is 1 in 150.

  3. If the brother has a child with his first cousin the probability that the child will be affected is 1 in 12)

  4. If the affected sister has a child with her first cousin the probability that the child will be affected is 1 in 4)

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TLS Online TPP Program

#Question id: 4968

#XL - S Microbiology

Which of these observations fails to support the endosymbiotic theory for the origin of eukaryotic cells?
TLS Online TPP Program

#Question id: 2933

#XL - T Zoology

During G1, prereplication complexes:
TLS Online TPP Program

#Question id: 11293

#XL - R Botany

Measurement of phytoplankton production, take sample of phytoplankton suspended in two bottles in lake. One bottle (D) is dark in colour but second bottle (L) light in colour. After some time productivity measure as follow Where Lo –oxygen concentration in light bottle, Do –oxygen concentration in Dark bottle, Io –oxygen concentration in bottle before incubation    

A)  Lo- Do                     B) Lo- Io  C) Io- Do
TLS Online TPP Program

#Question id: 784

#XL - T Zoology

Which is not a difference between B-DNA and A-DNA?
TLS Online TPP Program

#Question id: 20147

#XL - P Chemistry

The electrons present in K-shell of the atom will differ in