Why is a genetically diverse population more likely to survive a change to the environment?

A genetically diverse population is more likely to survive a change to the environment because genetically diverse organisms have a broad variety of traits. The more traits they have, the more likely it is those traits can be utilized in the new environment. If all the organisms had the same genes, then it is less likely for them to survive a change in the environment because if they all have poor genes that cannot be utilized in the new environment, they will all die.

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step 1: initiation

initiation is the beginning of transcription. it occurs when the enzyme rna polymerase binds to a region of a gene called the promoter. this signals the dna to unwind so the enzyme can ‘‘read’’ the bases in one of the dna strands. the enzyme is now ready to make a strand of mrna with a complementary sequence of bases.

step 2: elongation

elongation is the addition of nucleotides to the mrna strand. rna polymerase reads the unwound dna strand and builds the mrna molecule, using complementary base pairs. there is a brief time during this process when the newly formed rna is bound to the unwound dna. during this process, an adenine (a) in the dna binds to an uracil (u) in the rna.

step 3: termination

termination is the ending of transcription, and occurs when rna polymerase crosses a stop (termination) sequence in the gene. the mrna strand is complete, and it detaches from dna.