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Define the following terms 1. Nucleotide 2. Triplet 3. Genotype 4. Phenotype 5. Variation

Define the following terms 1. Nucleotide 2. Triplet 3. Genotype 4. Phenotype 5. Variation 6. Test Cross. Methemoglobinemia.

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Define the following terms 1. Nucleotide 2. Triplet 3. Genotype 4. Phenotype 5. Variation

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  1. Define the following terms 1. Nucleotide 2. Triplet 3. Genotype 4. Phenotype 5. Variation 6. Test Cross

  2. Methemoglobinemia

  3. Ann and Martin got married and had a son and a daughter. The son, named Tom, never got married and died alone. However, Robyn the daughter got married to a handsome man named John and gave birth to two sons, Benjy and Carl. But Benjy, was born purple.

  4. Whose fault is it? Ann later confessed to Martin that one of her great greatgreat grandfathers had the same condition – being purple. So… who in the family carries the ‘purple’ allele?

  5. MM Mm Ann Martin M ? Mm Mm Tom Robyn John mm M ? Benjy Carl

  6. Pedigree Chart • A pedigree chart is a chart which shows the genotypes and/or phenotypes of parents and their offspring. • Looks similar to a family tree. • Males are represented by squares and females by circles.

  7. Pedigree Chart - Practice Abraham and Mona got married years ago and had two sons, Homer and Herb. Herb is a single whereas Homer is married to Marge and have a son and two daughters, Bart, Lisa and Maggie. Marge is a daughter of Clancy(father) and Jackie(mother) and she has two twin sisters, Patty and Selma. Both Patty and Selma are single.

  8. NCEA 2009 – Pedigree Chart

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