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The genes for Mendel’s characters seed shape and seed color, are on different chromosomes. Each gene has two alleles. Starting, as Mendel did, with “true breeding” parents, show in writing and as part of a diagram, what their genotype is, the genotype of their gametes, the genotype of their progeny […]

PLEASE SOLVE THE PROBLEMS WITH “correct” answers, instead of just writing answers. (1) Halophytes are plants that live in moist soils with high salt concentrations. Despite being surrounded my water, halophytes are often referred to as “salty desert” plants. Explain why they are given that name. (2) High salt concentrations […]

The module mentioned that sickle cell disease was an adaptive response against malaria. Why do you think such an adaptation occurred? Why do people who no longer live in parts of the world where malaria is prevalent still develop the disease? Your patient with chronic lung disease has just been […]

The human and chimpanzee genomes are 98% identical: a. How many nucleotide positions of the human genome differ from the corresponding positions of the chimp genome? Assume that the human genome is 3200 Mb. b. If the coding fraction (that in exons) of the human genome is 1.5% of the […]