Races of modern man, Biology

RACES OF MODERN MAN

  • Australoids
  • Negroids
  • Caucasoids
  • Monogoloids
  • American Indian
  • Polynesian
  • All human races have the same number of chromosomes (46) and banding pattern. All human races can interbreed and produce fertile offsprings, so all belong to the same species.
  • On comparing the amount of DNA in human diploid cells and that of gorilla chimpanzee, and great apes (2N = 48), it is observed that the DNA contents in them are similar proving common ancestry of all of them.
  • On staining the autosomal chromosome number 3 and 6 of man and chimpanzee with a specific dye, it was found that bending pattern of chromosomes (chromosome number 3 and 6) of man and chimpanzee is quite similar.
Posted Date: 10/9/2012 2:20:06 AM | Location : United States







Related Discussions:- Races of modern man, Assignment Help, Ask Question on Races of modern man, Get Answer, Expert's Help, Races of modern man Discussions

Write discussion on Races of modern man
Your posts are moderated
Related Questions
What is the capillarity? How this phenomenon chemically explained? What is relevance of the capillarity for water transport in plants? The Capillarity is the phenomenon through

If we were to completely eliminate one group of marine organisms from ocean, which would most likely be fatal to Marin fish populations? Elimination of: a) Starfishes b) Dia

Provide the Definition of Health Care? Health care involves much more than just medical care and can be defined as "multitude of services provided to individuals or communities

BIL E SALTS These are sodium or potassium taurocholate & glycolate. Lethocholic acid, cholic acid, deoxycholic acid & taurocholic acids are found in bile. Helps in em

OBJECTION OF CELL THEORY (REASONS OF DISCARTION) (i)       Living organism are composed of various types of cells and their product but members of monera & protista don't have

Explain in detail about working of heart Heart has four chambers. Two upper chambers are called atria. Two muscular lower chambers are called ventricles. The right and left

Q. Illustrate Temporal digital subtraction radiography? Temporal digital subtraction radiography (SR) is a radiographic technique that enable two radiographs made at different

Are the extraembryonic membranes the same in all vertebrates? The presence of each extraembryonic membrane varies according to the vertebrate class. In fishes and amphibians

Which are the characteristics and organs of the digestive system of earthworms related to the type of diet of these animals? Earthworms eat decomposing organic material and sma

Determine the Role as antioxidant? Some carotenoids, in addition to serving as a source of vitamin A, have been shown lo function as antioxidants. Studies show that lycopene. (