Which of the following occur in telophase I of meiosis?
A. Nuclear envelope formation
B. Pairing of homologues
C. Formation of a bipolar spindle
D. Crossing over
E. Condensation of chromosomes
Answer: A
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_________ occurs when 50% of a protein produces a different phenotype than that produced by 100% or 0% of the protein.
A. Incomplete dominance B. Recessive inheritance C. Codominance D. Loss of function mutation E. Hybridization
Genetic elements in bacteria form _______________
a. the nucleoid b. plasmids c. the nucleus d. both the nucleoid and plasmids
The event that initiated biological evolution was the flow of information from DNA to RNA to protein.
a. true b. false
Which of the following diseases causes a skin rash, hair loss, malaise, and fever?
A) gonorrhea B) syphilis C) NGU D) trichomoniasis E) genital herpes