In 1985, research by and his colleagues at leicester university, england led to the discovery that portions of the dna structure of certain genes are as unique to individuals, as are fingerprints.

During the process of two rails or sides break apart and attract new nucleotide bases to form a new and complete strand.

Abeaker of water was heated and then placed on a bench in the laboratory. the water cooled until it was the same temperature as the air in the laboratory. which of these explains the mechanism by which the water cooled? a. heat energy was transferred from the water to the air. b. water molecules from the water formed warm water currents. c. the water molecules absorbed energy from the molecules in the air. d. the water released radiation until it contained no heat energy.

Look at the inheritance patterns. what do you notice? can a single offspring inherit both chromosomes from one parent?