Imagine a chromosome that has alleles ""R"" and ""g"" on it. The homologous chromosome has different versions of these genes and contains the ""r"" and ""G"" versions. What are the possible gamete combinations that can occur?

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Which organelle breaks down sugar molecules that supply energy to the cell ?

16. which of the following accurately describes a step within transcription? a. dna polymerase uses one strand of rna as a template to put together nucleotides. b. the dna strand is used as a template for which a complementary rna strand can be produced. c. the rna strand forms a template by which dna can be built. d. the rna strand is produced within the cytoplasm.