<span>"All organisms have the same proteins.
Proteins are composed of amino acids.
</span>The four bases in DNA are adenine, cytosine, guanine, and thymine.
These four are divided into two groups. The pyrimidines, the single-ring nitrogenous bases, is where thymine and cytosine is included. The purines, the double-ring nitrogenous bases, includes adenine and guanine.
<span>Cytosine will only bond with guanine; they form three hydrogen bonds. Adenine will only bond with thymine forming two hydrogen bonds."
Thanks @Taskmasters</span>
<span>It answers D. Mitochondrial DNA stay almost identical over species and only varies ever so slightly. By comparing mitochondrial DNA over species you are able to see how closely related they are and how long it might have taken for the species to evolve.
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The answer is ("B" - is the foundation of the scientific method.)
Answer:
Heterozygous (AB) for the STR locus = Allele (A) x allele (B) = 0.02 x 0.03 = 0.0006
Explanation:
The probability of the heterozygous genotype AB is equal to the product of the probabilities of these two independent events (i.e., independent events represented by allele segregation)= 0.02 x 0.03 = 0.0006