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Different breeds of dogs evolved from wolf. This is an example of artificial selection.

Species X and Y have 9 amino acid difference in a protein and species N and M have 5 amino acid difference in the same protein. Based on the evidence provided by this information which two species are the most closely related?

The allele that is not expressed in an individual that has two different alleles for a gene is termed as

When an individual heterozygous for two traits with an individual with similar genotype, the phenotypic ratio expected in the offspring is

The radioactive isotope with a half life of 5730 years that is used to date organic matter is

If a person with widow’s peak is heterozygous (Ww) has a child with a person with straight hairline (ww), which of the following is the mother’s phenotype? 

Complimentary RNA sequence to GAT is

Which of these represent gamete genotype?

The nuclear division that maintains the chromosome number in a cell is called

Which of the following is found in orbitals or energy levels around the nucleus of an atom?