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To be able to properly analyze a sample of DNA, you need to have at least 1 ug of the DNA of interest. Assumptions: PCR is run with 30 cycles; Molecular weight of nucleotide = 330 g per mole for a single stranded DNA. a. Given that you can use […]

From a mating of two dihybrid individuals (e.g. AaBb x AaBb) how many of the 16 possible zygote combinations would be expected to contain only two dominant genes?  (Assume that the two pairs of genes are located on different chromosomes). In pea-plants, flower colour and height are determined by single […]

Red blood cell membranes are completely impermeable to sodium, potassium and chloride ions, however they are permeable to both water and urea. The concentration inside a red blood cell is 300mOsm and consists predominantly of sodium and potassium chloride. a) With the aid of diagrams, decide what would happen to […]

A fruit fly that is true breeding for gray body with vestial wings (b+b+vg vg)? is mated with one that is true-breeding for black body with normal wings (b b vg+ vg+) (a) Draw the chromosomes for the P generationflies, using red for the gray fly and pink for the […]