Discuss the importance of sexual reproduction in producing variations.

Microorganisms which are also called as microbes are microscopic organisms that exist as unicellular , multi-cellular or cell clusters.They are categorized into five major groups:a) Bacteriab) Fungi: yeasts and moldsc)...

Parasites are a major cause of infections and production loss in man and livestock, frequently causing significant economic loss and impacting on human and animal welfare. In addition to the...

The basical difference between asexual and sexual reproduction is that sexual reproduction implies DNA recombination, while in asexual reproduction children are always exact copies of their parent.

Sexual reproduction is the formation of a new individual by the union of two sex cells. An organism can produce many combinations of chromosomes when it produces sex cells. When...

In animals, mitosis is used in sexual reproduction for increase in number of gametogonia (cells giving rise to gametes) before they start dividing by means of meiosis. In plants, mitosis...

Both haploid and diploid cells can undergo mitosis. When a haploid cell undergoes mitosis, it produces two genetically identical haploid daughter cells; when a diploid cell undergoes mitosis, it produces...

The fundamental forces behind evolutionary change through natural selection are differences in survival and reproduction among individuals. In many species of animals and some plants differences in reproductive success can...

In a peacock a female may choose a male from several males because he is attractive.Female peacocks often choose males for the quality of their trains, which vary in the...

crossing over, mutations caused during crossing over, and independent assortment.

Pollen grains are produced inside the anther through the process of meiosis in microspores mother cells (microsporogenesis). Pollen grains are also called the male gametophyte and they contain a tube...