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If guanine makes up 60% of the bases in a DNA double helix, what percent of the bases is adenine?

In what type of organism was the CRISPR-Cas9 system discovered?

Which of the following statements regarding RNA Polymerase is FALSE:

What evidence led to the confirmation that Albert DeSalvo was the Boston Strangler?

In both mitosis and meiosis, the chromosomes are duplicated only once in interphase.

The human genome contains approximately ________ genes.

You are attempting to link an individual to a crime. The only evidence you have is a tiny drop of blood which was amplified (made more) and analyzed. The results are below. According to the DNA sequences shown below, who committed the crime? Source of sample DNA sequence 1 DNA Sequence 2 DNA sequence 3 Blood on victim 15,16 9,10 7, 8 Suspect #1 15, 16 9,10 7, 8 Suspect #2 14,16 10, 11 9, 10  

Not having freckles is a recessive condition. Use the pedigree below to answer the following question. The genotypes of persons 1 and 2 are:      

Not having freckles is a recessive condition. Use the pedigree below to answer the following question. Children 4 and 5 have no freckles since:      

Use the image below to answer the following question. The following is a cross between two non-Albino parents. The parents are _____________since________________.