Dominant And Recessive Alleles Flashcards
What is an allele
Different versions of a gene
What is a dominant allele?
An allele in an organisms genetic material
What is a recessive allele?
An allele inherited from both parents
What is a genotype?
The combination of alleles present in an organism
What is a phenotype?
The characteristic an organism displays
What does homozygous mean
Two copies of the same allele
What does heterozygous mean?
Two different alleles in genetic material
What is a Punnet square?
A diagram used to work out all the possible outcomes of a characteristic and the proportion of it happening
How to use a Punnet square?
Question the genotype
Question the phenotype
Draw the Punnet square
Work out all the possible outcomes of a certain characteristic
Work out the proportion of the outcomes of that characteristic