Hereditary nonpolyposis colon cancer (HNPCC) requires only one mutational step to initiate the formation of a cancer

cell.
a. True
b. False


False

Biology & Microbiology

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Describe the major differences and similarities between gymnosperms and angiosperms

What will be an ideal response?

Biology & Microbiology

The nervous system is produced by

a. the ectoderm. b. the endoderm. c. the mesoderm. d. the endoderm and ectoderm. e. all of the germ layers.

Biology & Microbiology

Both cyanobacteria and phytoplankton are

A) multicellular. B) eukaryotic. C) photosynthetic. D) parasitic. E) heterotrophic.

Biology & Microbiology

The cross GE/ge × ge/ge produces the following progeny: GE/ge 404; ge/ge 396; gE/ge 97; Ge/ge 103. From these data, one can conclude that ________

A) the G and E loci reside on the same chromosome over 50 map units apart B) the G and E loci are segregating independently C) the G and E loci assort independently D) the G and E loci are linked E) the G and E loci show complete linkage

Biology & Microbiology