A cross where we follow the inheritance of 2 pairs of alleles is called  

A.  homozygous.
B.  monohybrid.
C.  dihybrid.
D.  heterozygous.
E.  diallelic.


C.  dihybrid.

Biology & Microbiology

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Tinbergen's wasp experiments demonstrated that wasps find their nests by ____ cues

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What are the basic functional units of the nervous system?

A) muscle fibers B) heart cells C) neurons D) fibroblasts

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Caterpillars of the same species on a large leaf each chew as much leaf as they can. This is an example of

A. commensalism. B. amensalism. C. interference competition. D. exploitation competition. E. interspecific competition.

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The role of DNA ligase in DNA replication is to

a. add more nucleotides to the growing strand one at a time. b. open up the two DNA strands to expose template strands. c. ligate base to sugar to phosphate in a nucleotide. d. bond Okazaki fragments to one another. e. remove incorrectly paired bases.

Biology & Microbiology