What proportion of the offspring of a cross between a red snapdragon (RR) and a white one (rr) will be red?
a. 75%
b. 50%
c. 0%
d. 25%
c
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Ribosomes are in the cells of
A) eukaryotes only. B) animals only. C) vertebrates only. D) all organisms.
One of the most important types of information that a patient can bring to an initial appointment with a genetic counselor is
A) her immunization records from childhood. B) results of a comprehensive lipid profile. C) the family health history, extending to second degree relatives. D) a list of the occupations of every family member.
Urine moves from the kidney to the urinary bladder through the ____
a. renal artery b. renal vein c. urethra d. nephron e. ureter
Which of the following is the best definition of "microbial antagonism"?
A) the presence of pathogens on the surface of the skin, which will invade the body through abrasions B) the presence of normal microbiota that protect the body by competing with pathogens in a variety of ways to prevent pathogens from invading the body C) the presence of normal microbiota that can become pathogens under certain conditions D) the ability of microbiota to mutate into pathogens E) the presence of resident bacteria on the surface of the body and in cavities that connect to the surface