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Q1. Janine is a 20-year-old college student who is 5’4″ tall and weighs 130 pounds. She engages in moderate exercise 3-5 times a week. How many kilocalories must Janine eat each day to maintain her present body weight? Q2. Start with a hypothesis. About 20 percent of all angiosperm species […]

Genes can be affected by conditions surrounding them. Often the response to these conditions takes time. In this week’s discussion, talk about the following: Search the literature and/or WEB sites to find an example of evolutionary change in an animal, insect or plant. Discuss what the change was and what […]

1. In Mendel’s monohybrid cross of purple flowered peas and white flowered peas, all members of the F1 generation were ___________ phenotype because their genotype was ___________ for the flower gene.A) white flowered; homozygous recessiveB) purple flowered; homozygous recessiveC) purple flowered; heterozygousD) white flowered; heterozygous 2. An allele isA) the […]

Assume you ingest 20 cells of Salmonella typhimurium in a chicken taco.  Some of the bacteria are killed as they pass through the stomach but 10 viable cells survive and reach the intestine.  Suppose further that the sum total of subsequent bacterial replication and death (caused by host immune mechanisms) produces an average generation […]