The allele F codes for freckles and f codes for few freckles. Select the correct statement about someone who is Ff.
a. the phenotype of this person is Ff
b. this person makes gametes that are Ff
c. this person has lots of freckles
d. this person's genotype is lots of freckles
Answer: c. this person has lots of freckles
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The Pimas are a group of people living in the southwestern United States and Mexico
Although Pima Indians living in the United States and Mexico have a similar genetic background, a five-fold increase in the incidence of type II diabetes mellitus among U.S. Pima has been reported. The body mass index of Mexicans of non-Pima descent, Mexicans of Pima descent, and Pimas living in the United States is shown in the figure above. Based on this information and the graph above, what can you infer about the incidence of type II diabetes mellitus? A) Obesity is a risk factor for development of type II diabetes mellitus. B) If you maintain a normal body weight (body mass index less than 25), you will not get type II diabetes mellitus. C) The incidence of type II diabetes mellitus has increased in the past ten years. D) People who develop type II diabetes mellitus are typically diagnosed in childhood or adolescence.
Select all of the following statements that describe the structure of a molecule of DNA.A) twisted double helixB) single-strandedC) contains the nitrogenous bases, adenine, thymine, cytosine, and guanineD) contains deoxyribose sugarE) contains the nitrogenous bases adenine, uracil, cytosine, and guanine
What will be an ideal response?
Following peptide bond formation between the amino acid in the A site on the ribosome and the
growing polypeptide chain, the tRNA in the A site:a. releases the growing polypeptide chain. b. picks up another amino acid to add to the chain. c. moves to the P site of the ribosome. d. forms a peptide bond with A site of the ribosome. e. forms a covalent bond with the P site of the ribosome
Regular use of antibacterial cleaning products
a. Prevents occurrence of infections. b. Is necessary for good health. c. Promotes survival of bacteria that are resistant. d. Prevents bacteria from growing. e. Prevents occurrence of infections, Is necessary for good health, and Prevents bacteria from growing