TLS Online TPP Program

#Id: 8967

#Section 3: Genetics, Cellular and Molecular Biology

Nonsynonymous mutations, on the other hand, alter the amino acid sequence of the protein and in many cases are detrimental to the fitness of the organism, so most of these mutations are eliminated by natural selection.

TLS Online TPP Program

#Id: 9183

#Section 3: Genetics, Cellular and Molecular Biology

The selection gradient measures the strength of directional selection acting on a quantitative trait.

TLS Online TPP Program

#Id: 7758

#Section 2: General Biology

A molecule is the smallest part of a substance that has the physical and chemical properties of that substance. In some respects, a molecule is similar to an atom. A molecule, however, is composed of more than one atom.

TLS Online TPP Program

#Id: 8960

#Section 3: Genetics, Cellular and Molecular Biology

Duplicate gene and its parental copy can subfunctionalize so that each carries out only some of the roles that the ancestral gene performed. 

Ex- a duplicate of the β-hemoglobin locus is expressed in the fetus. 

TLS Online TPP Program

#Id: 7734

#Section 2: General Biology

The number of electrons in a neutral atom is equal to the number of protons.