Statistics for Biology AQA Genetics

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Hint	Answer	% Correct
A length of DNA that codses for a particular polypeptide.	gene	93%
Observable or biochemical characteristics of an organism.	phenotype	82%
The genetic constitutionof an organism.	genotype	65%
The position of (answer to above question) on a particular DNA molecule.	locus	60%
When two alleles both contribute to the phenotype.	codominance	47%
A sudden change in the amount or arrangement of the genetic material in a cell.	Mutation	47%
All the alleles of all the genes in a population at a given time.	Gene pool	40%
Any gene that is carried on either the X or Y chromosome is said to be.	Sex linked	39%
The evolution of a new species.	Speciation	37%
The number of times an allele occurs within the (answer to the above question).	Allele frequency	32%
When the allele of one gene effects or masks the expression of another gene.	Epistasis	32%
A chromosome that is neither X nor Y.	Autosome	30%
In diploid organisms the chromosomes occur in pairs called.	Homologous pairs	18%
Selection that favours individuals with extreme phenotypes, rather than those with the mean.	Disruptive selection	14%
Type of selection that preserves the average phentoype of a population by favouring average indivinduals.	Stabilising selection	14%
The study of the inheritance of a single gene.	monohybrid inheritance	11%