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Homozygous means there are two copies of the same allele present at a specific locus (position) on a chromosome, e.g. two copies of the allele for blue eyes. Whereas, heterozygous means there are two copi...

Simply put, it is a form of a gene which can lead to different phenotypes, e.g. eye colour. There is one allele that codes for blue eyes and another allele that codes for brown eyes. 

A punnett square is a diagram that is used to predict the outcome of a particular cross or breeding experiment. This can be used for plants, animals and humans. 

Both are forms of cell division.Both are used during gametogenesis (formation of gametes or sex cells such as spermatozoa and oocytes).Only mitosis is used during cell division of somatic or body cells.Me...

An excellent question!

An effective introduction needs to make the argument of the essay clear from the outset. Your reader needs to immediately understand how you will a...