Practice Questions

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#Question id: 3262

In a population, the genotype frequencies are: f(A1A1)= 0.35; f(A1A2) = 0.30; f(A2A2) = 0.35; Which of the following statement is correct?

#Section 3: Genetics, Cellular and Molecular Biology

Population is a hardy Weinberg genetic equilibrium and frequency of A1=0.50, A2=0.50
Population is not as hardy Weinberg genetic equilibrium and frequency of A1=0.50, A2=0.50
Population is not as hardy Weinberg genetic equilibrium and frequency of A1=0.35, A2=0.35
Population is a hardy Weinberg genetic equilibrium and frequency of A1=0.60, A2=0.40

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#Question id: 1862

#Section 2: General Biology

X-linked agammaglobulinemia results from a mutation in:

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#Question id: 3755

#Section 3: Genetics, Cellular and Molecular Biology

In E. coli, there is a mutation in a gene called dnaB that alters the helicase that normally acts at the origin of replication. Which of the following events would you expect to occur as a result of this mutation?

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#Question id: 18689

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

Ab initio approach makes structural predictions based on

TLS Online TPP Program

#Question id: 3585

#Section 2: General Biology

Tryhybrid cross allowed between AaBbCc X AaBbCc, what is the proportional of following genotype, If all character follow independent assortment?

AaBbCc, Aabbcc, AabbCc, AABBcc, AABbCC respectively

1. 8/64 2/64 4/64 1/64 2/64

2. 6/64 1/64 2/64 1/64 1/64

3. 6/64 2/64 4/64 1/64 2/64