Illustrate chromosome structure, Biology

Assignment Help:

Q. Illustrate Chromosome Structure?

Cytologists have studied chromosome morphology and have pointed out that the most interesting feature about the chromosome structure is the position of the centromere. The centromere or constriction in the length of the chromosome provides information about the relationship of the 2 arms of the chromosome. Thus, depending on the position of the centromere, chromosomes are described as metacentric.

2323_Chromosome Structure.png


The appearance of the basic chromosome set in a dividing cell is known as the karyotype of the cell. This can be analysed to provide information not only of the chromosome number, bit also about chromosome size, chromosome volume, and type of chromosomes in the cell. This information is used by taxonomists for identifying plants and understanding relationships. The karyotype can be represented diagrammatically as an ideogram or karyogram, and these diagrams can be compared for taxonomic purposes. Another interesting observation is that the absolute size of the chromosomes of a karyotype is fairly constant since it is controlled by the genotype. Taxonomists have found that monocots generally have larger chromosomes than dicots, and that smaller chromosomes are found in hardwood plants in comparison to their herbaceous relatives.


Related Discussions:- Illustrate chromosome structure

Bees, is there a difference between the giant asiatic bees apis dorsata and...

is there a difference between the giant asiatic bees apis dorsata and Philippine giant bees apis breviligula

Explain the solid-liquid equilibria, Explain the Solid-Liquid Equilibria? ...

Explain the Solid-Liquid Equilibria? A freezing-point curve (freezing point as a function of liquid composition) and a solubility curve (composition of a solution in equilibriu

Explain about the terms - bursae and captacula, Explain about the terms - b...

Explain about the terms - bursae and captacula? Paired water-filled sac located at base of each arm of a brittle star. Cilia in bursae circulate water. Its surface is significa

Hormones controlling other functions, Hormones Controlling Other Functions ...

Hormones Controlling Other Functions Crustacean's exhibit pronounced capacity for physiological color changes. It is known that the color changing mechanisms in Crustacea are

Why ammoniotelic excretion occur, Why after the passage of animals from the...

Why after the passage of animals from the aquatic to the terrestrial habitat does the abandonment of the ammoniotelic excretion occur? Ammonia is a highly toxic molecule if not

Evolution, write similaritie between the two species?

write similaritie between the two species?

What is frog central nervous system, What is frog central nervous system ...

What is frog central nervous system Consider Neuron B in the frog central nervous system whose plasma membrane has a newly discovered ligand-gated ionotropic receptor, named th

Digestive system, I want to know how does our digestive system work

I want to know how does our digestive system work

Biochemistry pathway of normal and cancer cell, Biochemistry pathway of nor...

Biochemistry pathway of normal and cancer cell Normal cells will separate within the presence of a chemical signal like as "growth factor" (GF). Other molecular signals

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd