Cliff has colorblindness and icthyosis, which causes scaly skin. Both traits are X-linked recessive. The probability that he transmits both traits to his sons is

A) 0

B) 1/4

C) 1/2

D) 3/4


A) 0

Biology & Microbiology

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What are the two main determinants of the type of biome that will form in a given region?

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Manatees feed mostly on:

a. small fishes. b. benthic invertebrates. c. plankton. d. aquatic plants. e. other marine mammals.

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Place the following hypothesized events of the

beginning of life in their correct order I organic polymers form II inorganic molecules form III DNA-based cells form IV organic monomers form V protocells in the RNA world form

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