In humans, free earlobes (E) are dominant to attached earlobes (e) and the presence of freckles (F) is dominant to the absence of freckles (f)
If an individual heterozygous for both of these traits were to mate with an individual with attached earlobes and no freckles, what is the probability of having a child with attached earlobes and freckles? A) 0%
B) 25%
C) 50%
D) 100%
B
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In mutualism
A. the mutualist is dependent on the host. B. the partners will not survive separately in many cases. C. a reciprocal benefit accrues to both partners. D. All of the choices are correct.
A biodiversity hotspot is a relatively large area that holds an unusually small number of species.
a. true b. false
Once an enzyme is denatured, it is unable to function.
A) True B) False
You notice a sign in a public restroom that states "Sanitized for your safety." This means
A. sterilizing chemicals have been used in cleaning. B. antiseptics have been used to clean the area. C. degerming methods only have been used to clean the restroom. D. methods of disinfection that meet minimum standards of microbial removal have been used. E. only "organic" chemicals were used in the cleaning process to reduce microbial numbers.