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Part -1: 1. What major event occurs during interphase? 2. A person, residing in a location where they are exposed to the sun often, develops a mutation in some of their skin cells resulting in cancer. Consider whether their offspring will be born with the same mutation. Use scientific evidence […]

You buy a new house and the front yard has some really nice rose bushes, but they are surrounded by lots of weeds!  You don’t really want to try and dig them out by hand and your nice new neighbor comes over with a bottle of weed killer.  He says […]

Q. In a particular species of guppy, tails can either be long or short and either feathered or straight. A cross between a true-breeding long, feather-tailed male guppy and a true-breeding short, straight-tailed female guppy produces progeny that all have short, straight tails. a) Express the genotypes of the adults […]

LACTASE -LACTOSE ARTICLE 1. What is the percent lactose content in humans? How about in Pinnipedia (sea lions, walruses etc.)? 2. Which tissue in humans is lactase found? What is the function of the enzyme? 3. All people are born with lactose tolerance but some lose the ability as adults, […]