In the yeast cross of ade2 met14 his3 x + + +, a total of 120 tetrads are analyzed. The following tetrad types are found in the numbers shown below each tetrad. The markers ade2, met14, and his3 are abbreviated a, m, and h and the wild type allele of each gene is indicated by +.

 

What were the other two types of tetrads (how many His+ and His– spores do they have)?

TLS Online TPP Program

#Question id: 27514

#Unit 2. Cellular Organization

Which of the following Histone is involved in stimulates formation of the 30 nm fiber

TLS Online TPP Program

#Question id: 28167

#Unit 2. Cellular Organization

Organism and genes is given

Match them correctly

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#Question id: 30074

#Unit 2. Cellular Organization

Following statements were made about transposons:

A. Transposons have inverted terminal repeats and their integration generates inverted repeats at the flanks of the target site in the host genome.

B. A composite transposon can transpose as a unit.

C. The transposition event may cause deletions or inversions or move a host sequence to a new location.

D. The transposition event may cause deletions or inversions but cannot move a host sequence to a new location.

E. Replicative transposition proceeds through cointegration.

Which one of the following represents the combination of the correct statements?

TLS Online TPP Program

#Question id: 30075

#Unit 2. Cellular Organization

The enzyme that catalyzes the transposition of an IS element is called __________

TLS Online TPP Program

#Question id: 30076

#Unit 2. Cellular Organization

Direct repeats in the IS element are present __________

TLS Online TPP Program

#Question id: 30077

#Unit 2. Cellular Organization

Which of the following functions is not performed by transposase?