The Hemoglobin gene has two very common alleles: HbS and HbA. Bob’s professor asks him to draw the chromosomes for an individual that is HbSHbA and label the alleles. Bob draws this (below). Explain why Bob is wrong and then draw it correctly.

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Q: Folks will say that you share 25% of your DNA with your maternal grandmother. Is that accurate? Why…

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Q: Nucleotide Position                   1       5        10        15 Sequence 1. . . . T C T G G A…

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Q: How many markers of the genome are significantly associated with the trait?

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Q: Do homologous chromosomes have the same exact NUCLEOTIDE sequences? Why do we only need 23…

A:

Q: The homologous chromosome pairs in our cells do not carry identical sequences in all loci. This…

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Q: For the cell line H9c2(2-1) which is a rat mycardium cell line, what disease was it derived from?

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Q: Sickle-cell disease is caused by a mutation.

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Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.