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#Question id: 1120


A mutation that knocks out the GTPase activity of a G protein would have what effect on a cell?

#Section 3: Genetics, Cellular and Molecular Biology
  1. The concentration of available GTP would decrease.

  2. The number of G proteins in the cell would increase.

  3. The G protein would be inactivated by a G protein-coupled receptor/signal molecule complex.

  4. The G protein would always be active.

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TLS Online TPP Program

#Question id: 3362

#Section 3: Genetics, Cellular and Molecular Biology

The Hardy-Wienberg principle comes from considering what happens when Medelian genes act on population. The model predicts that there will be no change in allele frequencies when

TLS Online TPP Program

#Question id: 3363

#Section 3: Genetics, Cellular and Molecular Biology

An autosomal recessive condition affects 1 newborn in 100 in a random mating population without any disruptive acting force. What is the approximate expected frequency of carriers in this population?

TLS Online TPP Program

#Question id: 3364

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following equations represents the corresponding equilibrium for a locus with three alleles p, q and r of diploid individuals? (P, Q and R represent the frequencies of p, q and r, respectively)

TLS Online TPP Program

#Question id: 3368

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

The origin of a new plant species by hybridization, coupled with accidents during nuclear division, is an example of

TLS Online TPP Program

#Question id: 3509

#Section 3: Genetics, Cellular and Molecular Biology

Principle of independent assortment apply for those gene that is

TLS Online TPP Program

#Question id: 3510

#Section 3: Genetics, Cellular and Molecular Biology

Assume that the trihybrid cross AA BB RR X aa bb rr is made in a plant species in. What proportion of F2 progeny would be expected to be homozygous for all three genes when independently assort?