What are the Different types of chromosomes?

Answer 1

what do you mean by types???? Chromosomes are the organized form of DNA found in cells. Chromosomes contain one very long, continuous piece of DNA, which contains many genes, regulatory elements and other intervening nucleotide sequences. A broader definition of "chromosome" also includes the DNA-bound proteins which serve to package and manage the DNA. The word chromosome comes from the Greek χρῶμα (chroma, color) and σῶμα (soma, body) due to their property of being stained very strongly with vital and supravital dyes. Chromosomes vary extensively between different organisms. The DNA molecule may be circular or linear, and can contain anything from tens of kilobase pairs to hundreds of megabase pairs. Typically eukaryotic cells (cells with nuclei) have large linear chromosomes and prokaryotic cells (cells without nuclei) smaller circular chromosomes, although there are many exceptions to this rule. Furthermore, cells may contain more than one type of chromosome; for example mitochondria in most eukaryotes and chloroplasts in plants have their own small chromosome in addition to the nuclear chromosomes. In eukaryotes nuclear chromosomes are packaged by proteins into a condensed structure called chromatin. This allows the massively-long DNA molecules to fit into the cell nucleus. The structure of chromatin varies through the cell cycle, and is responsible for the organisation of chromosomes into the classic four-arm structure during mitosis and meiosis. "Chromosome" is a rather loosely defined term. In prokaryotes, a small circular DNA molecule may be called either a plasmid or a small chromosome. These small circular genomes are also found in mitochondria, and chloroplasts, reflecting their bacterial origins. The simplest chromosomes are found in viruses: these DNA or RNA molecules are short linear or circular chromosomes that often lack any structural proteins.

Answer 2

- Metacentric - Submetacentric - Acrocentric - Telocentric

Answer 3

The two type of chromosomes found in human cells are autosomes and allosomes. Autosomes contain hereditary information whereas allosomes represent human sex chromosomes (X and Y pairs).

Answer 4

Autosomes and sex chromosomes. There are 44 autosomes and 2 sex chromosomes in each body cell.

Answer 5

Haploids and Polyploids are the two types of chromosomes found in the cells of an organism.

Answer 6

how many types of chromosomes are present in humans

Answer 7

x-chromosome

y-chromosome

Answer 8

chromatid and homologous

Answer 9

2