Genetics

wolf on November 27th, 2011

Point mutations involve minor changes in the genetic material, often single base-pair substitution. Sickle-cell anaemia is genetically determined disorder, caused by homozygosity, producing a single amino acid substitution in the b-chain of the normal haemoglobin molecule.

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Character——Double stranded DNA———- Single Stranded DNA 1.U.V. absorption ——-Constant from 10-80°C— Steady increase from ———————–and then rises rapidly——-200 to 900º 2. Action of —  Resistant formaldehyde—- not resistant 3. Ratio of——– equal. A=T and———- A:T:G:C is 133:0.98:0.75 4. Shape ———-linear ———————-circular

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wolf on July 10th, 2011

The morphological expression of the genotype is called the phenotype.

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wolf on July 10th, 2011

The sum total of the genetic material inherited by an individual is called genotype.

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wolf on July 10th, 2011

The bond or the link formed between the carboxyl group of one amino acid and the amino group of another amino acid with the elimination of a water molecule is called a peptide link.

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