Home
Class 12
BIOLOGY
What is true of polytene chromosomes ?...

What is true of polytene chromosomes ?

A

They are in permanent prophase

B

They show chiasmata

C

Lateral loops occur at most places

D

They are bivalents

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • CHROMOSOMAL BASIS OF INHERITANCE

    DINESH PUBLICATION ENGLISH|Exercise Check Your Grasp|57 Videos

  • CHORDATA- PROTOCHORDATA

    DINESH PUBLICATION ENGLISH|Exercise CYG|11 Videos

  • COELENTERATA AND CTENOPHORA (OR CNIDARIA AND ACNIDARIA)

    DINESH PUBLICATION ENGLISH|Exercise CYG|10 Videos

Similar Questions

Explore conceptually related problems

Which of the following statement is incorrect regarding the band region of polytene chromosome ?

The point at which the polytene chromosomes appear to be attached together is known as

Chromosome puffs in the polytene chromosomes puffs ) are sites of

In tobacco plant, the male gametes have twenty four chromosomes. What is the number of chromosomes in the female gamete? What is the number of chromosomes in the zygote?

In Pinus, the pollen grain has 6 chromosomes. What is the number of chromosomes in its endoperm

Male honey bee has 16 chromosomes. What is the number chromosomes in worker and queen honey bee?

Puffs of polytene chromosome are specially concentrated with

Assertion: Polytene chromosomes have a high amount of DNA. Reason: Polytene chromosomes are formed by repeated replication of chromosomal DNA without separation of chromatids

In Angiosperm, if haploid number of chromosome is 12 then what will be the no. of chromosomes in integuments and synergids

In Angiosperm, if number of chromosomes in endosperm is 30, what will be the no. of chromosomes in nucellus :-