Which of the following is a condition caused by a sex-linked inheritance in which a male child will bleed extensively because he lacks the physiological properties to form a blood clot?
A) male-pattern baldness B) hemophilia
C) sickle-cell disease D) color blindness
Answer: B
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Male crickets create sounds that we call "chirps" by rubbing one wing against the other. Female parasitic flies are attracted to the chirps and lay their eggs on the male once they locate him. Is this an example of communication?
A. Yes, because one individual produced information. B. No, because multiple individuals received information. C. Yes, because information from the sender altered the receiver's behavior. D. No, because the exchange of information resulted in a cost to the sender. E. Yes, because the exchange of information resulted in a benefit to the receiver.
Which vessel of the human body can serve as a
blood reservoir?
a. vein b. venule c. capillary d. arteriole e. artery
In an evolutionary sense, what is meant by the term molecular clock?
What will be an ideal response?
The block on re-initiation of DNA replication ensures that the daughter cells are aneuploidy (abnormal number of chromosomes).
a. true b. false