A family can share a genetic risk of developing cancer if:
A. the cancer is caused by somatic cell
mutations.
B. the cancer is caused by germ-line
mutations.
C. a germ-line mutation in one of the genes
implicated in the cancer occurred in an
ancestor.
D. a somatic cell mutation in one of the genes
implicated in the cancer occurred in an
ancestor.
E. All of the answer options are correct.
C
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The mutation responsible for Huntington's disease is a
A. missense mutation. B. nonsense mutation. C. frameshift mutation. D. triplet repeat expansion mutation.
Protons and neutrons are located in the ________ of an atom
Fill in the blank(s) with correct word
In order for natural selection to occur within a population, certain conditions must be met. One such condition is
A. phenotypic variations that are genetic. B. low rates of immigration. C. heterozygosity must be very low. D. phenotypic differences resulting from environmental conditions. E. frequent mutations that are inherited.
________ form beneficial symbiotic relationships with plant roots
A) Basidiomycetes B) Glomeromycetes C) Chytrids D) Zygomycetes E) Ascomycetes