Recombination between linked genes comes about for what reason?
A) Nonrecombinant chromosomes break and then rejoin with one another.
B) Independent assortment sometimes fails.
C) Linked genes travel together at anaphase.
D) Crossovers between these genes result in chromosomal exchange.
D
You might also like to view...
The greatest number of endemic species is expected in environments that are _____
A) easily reached and ecologically diverse B) isolated and show little ecological diversity C) isolated and ecologically diverse D) easily reached and show little ecological diversity
Which of the following hormone is transported from hypothalamus to pituitary gland through the hypophyseal portal vein?
a. Oxytocin b. Thyrotropin (TSH, thyroid stimulating hormone) c. Vasopressin d. Corticotrophin-releasing hormone (CRH) e. Follicle-stimulating hormone (FSH)
Which one of the following ecosystems is most likely to show an inverted biomass pyramid but a normal energy pyramid?
A. open ocean B. intertidal C. tropical forest D. desert E. grassland
If significant amounts of materials are removed from the citric acid cycle to produce amino acids for protein synthesis, which of the following will result?
a. Less ATP will be produced by the cell. b. Less CO2 will be produced by the cell. c. The four-carbon compound that combines with acetyl CoA will have to be made by some other process. d. The first two answers are correct. e. The first three answers are correct.