Practice Questions

TLS Online TPP Program

#Question id: 15536

Which of the following is incorrect regarding the progressive alignment method?

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

It speeds up the alignment of multiple sequences through a multistep process.
It first conducts pair wise alignments for each possible pair of sequences using the Needleman–Wunsch global alignment method and records these similarity scores from the pair wise comparisons
The scores can either be percent identity or similarity scores based on a particular substitution matrix.
Its drawback is it slows down the alignment of multiple sequences through a single step process.

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TLS Online TPP Program

#Question id: 4830

#Section 3: Genetics, Cellular and Molecular Biology

Blue flower is dominant over white flower and long pollen is dominant over short pollen. A pure line plant with Blue flower and long pollen was cross with white flower and short pollen. F1 plant was allowed to test cross to produced numerous Offspring in following number

Blue flower and long pollen 2000

Blue flower and short pollen 500

White flower and long pollen 500

White flower and short pollen 2000

What is approximate distance between Flower color gene and pollen length gene?

TLS Online TPP Program

#Question id: 4831

#Section 3: Genetics, Cellular and Molecular Biology

There are 4 pairs of chromosomes in a Drosophila.The linkage groups present in it are

TLS Online TPP Program

#Question id: 4832

#Section 3: Genetics, Cellular and Molecular Biology