Artificial selection includes which of the following?
a. Breeding dogs for specific traits.
b. Cross breeding plants to produce cultivars.
c. Selectively cross breeding cats.
d. All of the above.
e. None of the above.
Answer is d. All of the above.
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You isolate a new bacterium from soil with a revolutionary new growth technique. You are interested in characterizing the genome of this organism using restriction enzymes. The first enzyme chosen should be one that will cut the genome infrequently, allowing you to do more detailed fine mapping at a later date. Of the following choices, the best enzyme to choose for your task would be (NOTE: P =
a purine base; Y = a pyrimidine base) A) HpaI (CCGG). B) TaqI (TCGA). C) EcoRI (GAATTC). D) HindII (GTYPAC). E) NotI (GCGGCCGC).
About twelve to twenty-four hours after the previous
meal, a person’s blood-sugar level normally varies from 60 to 90 milligrams per 100 milliliters of blood, though it may rise to 130 mg/100 ml after meals high in carbohydrates. That the blood-sugar level is maintained within a fairly narrow range despite uneven intake of sugar is due to the body’s ability to carry out a. adaptation. b. inheritance. c. metabolism. d. homeostasis. e. all of these.
The reproductive strategy in which relatively few young are produced at repeated intervals during an individual's life is referred to as
A) semelparity. B) iteroparity. C) altricial. D) precocial.
To learn the location of and determine the role that QTLs have on phenotypes, researchers look for associations between a marker locus genotype and phenotype. Examples of research focusing on such methods have been conducted on ________
A) human personality traits B) human diseases such as Crohn's disease C) the speed of thoroughbred race horses D) All of the above.