Two independent pure line varieties having white and green phenotype in their fruit were cross, the all f1 progeny is white fruit. The F2 progeny obtain from selfing show white, yellow and green in ratio of 12:3:1. Which of the following is correct?

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#Question id: 3774

#Unit 3. Fundamental Processes

Use the figure to answer the following question. Referring to the figure, what bases will be added to the primer as DNA replication proceeds?

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#Question id: 3775

#Unit 3. Fundamental Processes

What are telomeres?

TLS Online TPP Program

#Question id: 3776

#Unit 3. Fundamental Processes

Telomere shortening puts a limit on the number of times a cell can divide. Research has shown that telomerase can extend the life span of cultured human cells. How might adding telomerase affect cellular aging?

TLS Online TPP Program

#Question id: 3777

#Unit 3. Fundamental Processes

Which of the following types of cells are affected most by telomere shortening?

TLS Online TPP Program

#Question id: 3778

#Unit 3. Fundamental Processes

Which of the following effects might be caused by reduced or very little active telomerase activity?

TLS Online TPP Program

#Question id: 3779

#Unit 3. Fundamental Processes

In a healthy eukaryotic cell, the rate of DNA repair is typically equal to the rate of DNA mutation. When the rate of repair lags behind the rate of mutation, what is a possible fate of the cell?