A blue-eyed, left-handed woman marries a brown-eyed, right-handed man who is heterozygous for both of his traits. If blue eyes and left-handedness are recessive, how many different phenotypes are possible in their children?
a. four
b. one
c. three
d. five
e. two
Ans: a. four
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A. dynein B. both kinesin and dynein C. Molecular motors are not required for movement along microtubules. D. kinesin
The most accurate DEFINITION of microevolution is
a. heritable change in the genetics of a population. b. natural selection leading to adaptation. c. the occurrence of a series of mutation over time. d. the origin of new species through natural selection. e. the origin of major new forms of life over time.
This group is one of the two main angiosperm clades. This plant group has about 60 000 species that are characterized by having a single cotyledon. What is the name of this plant group?
a. eudicots b. orchids c. monocots d. water lilies
Sebum contains ________ which contributes to creating an inhospitable environment on the surface of the body.
A. lysozyme B. collagens C. acids D. salts E. bile