The ability of a person to roll their tongue is controlled by a single gene with two alleles. About 65% of people have the dominant allele, and can therefore roll their tongue. Stephanie cannot roll her tongue. Without yet knowing her mate, what is the probability that Stephanie’s first child […]

Biology Assignment “Effects on the Environment” Note: Online students, please respond to one of the following four bulleted items. • Discuss three positive and three negative impacts of humans on the biosphere. Which positive and negative impacts do you believe are the most significant to consider. Justify your response. • […]

In Drosophila the brown eye mutant allele (bw) is autosomal and is recessive to the wild type allele (bw+). True breeding wild type flies are crossed to true breeding brown eyed flies. a) What is the genotype and the phenotype of the F1 flies? b) If the F1 flies are […]

In this week’s lesson, you had the opportunity to review Dr. Patricia Kuhl’s video on language acquisition. After reviewing the Linguistic Genius of Babies video by Dr. Patricia Kuhl (found in the Unit 2 reading), respond to the following: Summarize Dr. Kuhl’s brain research and its influence on language development […]