12th Biology Monthly Test - 3 ( Botany - Chromosomal Basis of Inheritance )

St. Britto Hr. Sec. School - Madurai

12th Biology Monthly Test - 3 ( Botany - Chromosomal Basis of Inheritance )-Aug 2020

Time : 1.30 Hours

Part - A

Generic 2 - Answer All Question

What is polyploidy?

What is a three point test cross?

Name the stop codons?

What are Okazaki fragments?

What is transcription?

What is ploidy?

What is a codon?

What are linkage groups?

What are termination sequences?

How does Drosophila show complete linkage?

Part - B

Generic 5 - Answer All Question

Mention the name of man-made cereal. How it is formed?

Write the salient features of Sutton and Boveri concept.

Write a note on point mutation.

Mention the name of man-made cereal. How it is formed?

When two different genes came from same parent they tend to remain together.

i) What is the name of this phenomenon?
ii) Draw the cross with suitabl~ example.
iii) Write the observed phenotypic ratio.

What is gene mapping? Write its uses

Write the steps involved in molecular mechanism of DNA recombination with diagram.

How is Nicotiana exhibit self-incompatibility? Explain its mechanism.

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12th Biology Monthly Test - 3 ( Botany - Chromosomal Basis of Inheritance )

St. Britto Hr. Sec. School - Madurai

12th Biology Monthly Test - 3 ( Botany - Chromosomal Basis of Inheritance )-Aug 2020

Part - A

Generic 2 - Answer All Question

What is polyploidy?

What is a three point test cross?

Name the stop codons?

What are Okazaki fragments?

What is transcription?

What is ploidy?

What is a codon?

What are linkage groups?

What are termination sequences?

How does Drosophila show complete linkage?

Part - B

Generic 5 - Answer All Question

Mention the name of man-made cereal. How it is formed?

Write the salient features of Sutton and Boveri concept.

Write a note on point mutation.

Mention the name of man-made cereal. How it is formed?

When two different genes came from same parent they tend to remain together. i) What is the name of this phenomenon? ii) Draw the cross with suitabl~ example. iii) Write the observed phenotypic ratio.

What is gene mapping? Write its uses

Write the steps involved in molecular mechanism of DNA recombination with diagram.

How is Nicotiana exhibit self-incompatibility? Explain its mechanism.

Comment

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When two different genes came from same parent they tend to remain together.

i) What is the name of this phenomenon?
ii) Draw the cross with suitabl~ example.
iii) Write the observed phenotypic ratio.