A couple in which the woman is homozygous dominant and the man has hemophilia A will produce:a
carrier daughters and affected sons.
b. affected daughters and affected sons.
c. carrier daughters and normal sons.
d. normal daughters and normal sons.
e. offspring of unknown genotype for this gene.
C
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DNA viruses replicate in the:
Mitochondrion Endoplasmic reticulum Cytoplasm Nucleus Ribosomes
Officials associated with international track and field competitions have noted an increase in the number of athletes who use a synthetic form of erythropoietin. Athletes use this drug because it
A) stimulates the release of ADH, which then goes on to cause an increase in the number of red blood cells and helps athletes increase their aerobic capacity for an event. B) increases urine output so that they can shed weight just prior to an important competition. C) increases the number of oxygen-transporting red blood cells, which helps athletes increase their aerobic capacity for an event. D) decreases blood pressure so that they can be more focused and relaxed during a competition.
Gliding motility can be used to propel bacteria ________.
A. through liquids only B. along the framework of the cytoskeleton of host cells C. across solid substrates only D. through the air only
Moss A produces gametes in May, and moss B produces gametes in June. This is an example of a/an ________ isolating mechanism
A) post-mating B) temporal C) behavioral D) geographic