Every polypeptide chain synthesized from RNA starts with which amino acid?
a. Arginine
b. Phenylalanine
c. Methionine
d. Leucine
Answer: c. Methionine
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You are genetic counselor, and a couple comes to you with concerns that if they have a child together, he or she could
have sickle-cell anemia. Genetic tests reveal that both the man and woman are carriers for sickle-cell anemia. How should you advise them?
a. Half of their children will have sickle-cell anemia, and the other half will be carriers. b. All of their children will have sickle-cell anemia. c. There are no concerns, because none of their offspring have a chance of inheriting the sickle-cell allele. d. While none of their children will have sickle-cell anemia, each child will have a 50% chance of being a carrier. e. All of their children will have a 25% chance of having sickle-cell anemia.
What is the intention of the Svalbard Global Seed Vault?
a. protect crop supplies in the event of nuclear winter b. create a time-capsule of modern plants for future botanists c. supplement regional seed banks against accidental losses d. quarantine dangerous genetically-engineered crops
What is the study of an organism’s complete DNA composition, including complete sets of genes and their nucleotide sequence and organization called?
a. genetic map b. genomics c. gene therapy d. transgenics
Seeds can be described as ‘a little plant in a box with its lunch’. Which parts of the seed correspond to the elements of
this description? Fill in the blank(s) with the appropriate word(s).