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Vertebrate cells possess a protein that binds to clusters of 5-methylcytosine and ensures the gene will stay in the “off” position. This control of gene regulation is a result of

If mRNA is complementary to the DNA template strand and the DNA template stand is complementary to the DNA non-template strand, why are base sequences of mRNA and the DNA non-template strand not identical? Could they ever be?

In the experiment above, guppy color patterns (spots) were measured in populations exposed to increasing amounts of predation.  From this you could conclude that ________.

The most recent techniques developed in the biological sciences allow the manipulation of DNA with the ultimate goal of intervening directly with the ________ fate of organisms.

Some hereditary and age-related diseases are caused by translation errors. Explain why an error in translation may cause disease.

Histones that are tightly wound by DNA and are the basic unit of chromatin are called

In a small population of cockroaches living in your kitchen, only a few roaches mate in one year.  This can lead to random changes in allele frequency in the population through ________

Males of many marsupial species have forked penises that are incompatible with the anatomy of female placental mammals. What type of isolating mechanism does this represent?

Males of many marsupial species have forked penises that are incompatible with the anatomy of female placental mammals. What type of isolating mechanism does this represent?

In a small population of cockroaches living in your kitchen, only a few roaches mate in one year.  This can lead to random changes in allele frequency in the population through ________