1)Polymorphic neutral genetic markers:Are mutations that cause a loss of gene transcription b.Can be used to map a mutant locus c.Are a source of...

1)   Polymorphic neutral genetic markers:

a.   Are mutations that cause a loss of gene transcription

b.   Can be used to map a mutant locus

c.    Are a source of phenotypic variation

d.   None of the above

2)    Alleles of genes important for domestication:

a.   Altered phenotypic traits that were selected for by humans

b.   Are mutant relative to the alleles found in the wild relatives of domesticated plants

c.    Affect traits such as seed size, shattering and overall plant architecture

d.   All of the above

3)    tRNAs:

a.   Are a subunit of chromatin

b.   Are short RNA molecules that make it possible for mRNA to be translated into proteins

c.    Are composed of amino acids

d.   a and b