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Is bractyldactly a sex linked or autosomal disease? a) A woman who is colour blind and has bractyldactly marries aman who is not colourblind and does not have bractyldactly. If thecharacteristic bractyldactly is dominant to the recessive conditionand you know thta the woman’s mother did not have this characteristic, determine […]

For the purpose of thinking about the genetics of the cross you’ve made, call the two microsatellite markers A and B. You can then designate the alleles A1, A2, A3, and A4 for the A allele and B1 through B6 for the B marker. In this cross, you are mating […]

1. What is Knudson’s Multistep Cancer Model? How does it explain that some people have a “predisposition” to cancer?2. How do tumors evolve?3. Cancer genes fall into 2 catagories. What are they?4. How can viruses cause cancer?5. What are Cyclin-dependent kinases and how are they related to cancer?6. What’s the […]

1. The common ancestor of all the tetrapod vertebrates had four limbs with a similar skeletal structure to thatseen in many vertebrates today. Considering this, in what sense are the arms of humans homologous to thewings of a bird? 2. The green algal ancestors of plants existed in aquatic habitats, […]