A man has extra digits (six fingers on each hand and six toes on each foot). His wife and their daughter have a normal number of digits. Having extra digits is a dominant trait. The couple's second child has extra digits
What is the probability that their next (third) child will have extra digits? A) 1/2
B) 1/16
C) 1/8
D) 3/4
A
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Discuss the role the brush border of the intestinal cells plays in the final digestive and absorptive steps of
carbohydrates, proteins and fats. What will be an ideal response?
A type of asexual reproduction in angiosperms involving meiosis with no chromosome pairing and meiosis II does not occur is called
a. apomixis b. syngamy c. apogamy d. meiogenesis e. parthenogamy
Which of the following is an appropriate description of a nucleosome?
a) DNA wrapped around a histone octamer b) DNA wrapped around a kinectochore octamer c) DNA wrapped around a shelterin octamer d) DNA wrapped around a binding protein octamer e)DNA wrapped around a histone octamer + linker DNA
How are HIV virions rendered virulent?
A) The action of protease releases reverse transcriptase and capsomeres after the virion buds from the cell. B) They bud to the surface of the host cell. C) They use a chemokine receptor to remove gp120. D) They bind to smooth muscle cells. E) They contact the cytoplasmic membrane via gp41.