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Incomplete Dominance or Codominance

Incomplete Dominance – there is an interaction between 2 alleles in the homozygous form – alleles are semi – or incompletely dominant and act together to yield an intermediate heterozygote – usually phenotypically between the two homozygote Codominance – when definite product or substance controlled by each allele is identified ex. of incomplete dominance: Andalusian…

Respiratory Disorders: Asthma, Bronchitis, Emphysema, Cystic Fibrosis

Asthma – results in contraction of smooth muscle that surrounds airways – makes breathing difficult – allergic reaction – treat with bronchodilators – causes airways to dilate (increase in diameter) Bronchitis – inflammation of bronchial lining + overproduction of mucous and frequent coughing – related to smoking and other irritants (air pollution etc) – increased…

Isomers: Structure and Function

In chemistry, isomers are compounds with the same molecular formula but different structural formulas. The word is derived from the Greek ισομερης, isomerès; isos = “equal”, méros = “part”. There are many different classes of isomers, like stereoisomers, enantiomers, geometrical isomers (see chart below). Isomers do not necessarily share similar properties, unless they also have…