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TN 12th Standard Biology Zoology - Reproduction in Organisms Creative Questions Study Material - QB365 Set D

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TN 12th Standard Biology Zoology - Reproduction in Organisms Creative Questions Study Material - QB365 Set C

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TN 12th Standard Biology Zoology - Reproduction in Organisms Creative Questions Study Material - QB365 Set B

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TN 12th Standard Biology Zoology - Reproduction in Organisms Creative Questions Study Material - QB365 Set A

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TN 12th Standard Physics Electronics and Communication Creative Questions Study Material - QB365 Set D

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TN 12th Standard Physics Electronics and Communication Creative Questions Study Material - QB365 Set C

12th Standard English Medium Biology (Zoology) Subject Molecular Genetics Creative 2 Mark Questions with Solution Part - II

Published on: 21/06/2021

QB365 provides detailed and simple solution for every Creative Questions in class 12 Biology Subject. It will helps to get more idea about question pattern in every Creative questions with solution.

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Std: 12th Standard - Biology

chapter: - Creative Questions

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Questions:

Generic 2

5 x 2 = 10

Mention any four areas where DNA fingerprinting can be used.

Name the human chromosome that has
(a) most number of genes
(b) least number of genes

The base sequence in one of the DNA strand is TAGCATGAT. Mention the base sequence in its complementary strand.

Define transcription and name the enzyme involved in this process.

What are nucleotides?

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Answers Key:

Generic 2

5 x 2 = 10

(a) Forensic analysis
(b) Pedigree analysis
(c) Conservation of wildlife
(d) Anthropological studies

(a) Chromosome 1 has maximum number of genes (2968 genes)
(b) Chromosome Y has least genes (231 genes)

The complementary strand has ATCGTACTA

The process of copying genetic information from one strand of DNA into RNA is termed transcription. This process takes place in presence of DNA dependent RNA polymerase.

In nucleic acids (DNA and RNA), the nitrogenous base is chemically linked to one molecule of sugar forming a nucleotide.
When a phosphate group is attached to the nucleoside, it becomes a nucleotide. The nucleotides are polymerised to form a polynucleotide chain (DNA and RNA).