What is Mendel’s Concept of Dominance? Answer A. The two members of a gene pair segregate from each other into the gametes, so half the gametes carry one member of the pair, half the gametes carry the other member of the pair. B. In a heterozygote, only the trait from […]

1. List at least three functions of our skeletal system. 2. What are two things that our skeletal system stores? 3. What type of bone cells break down bone? What type of event would cause them to break down bone? 4. What type of bone cells form bone tissue? What […]

You’re trying to PCR amplify a gene, but your gel shows that there are two bands instead of only one like you expected. You know for certain that there no homologous genes in the genome from which you’re amplifying, so you assume that the issue must be coming from your […]

A student attempts to transform a population of E. coli with a pBluescript plasmid. How do you advise him to identify cells that have the plasmid? Answer Plate the cells on a medium containing X-gal. Cells with plasmids will turn blue. Plate the cells on a medium with ampicillin. Cells […]