alleles Flashcards
what do characteristics have to do with alleles?
alleles influence the way our body cells work determining traits and characteristics
what is a genotype?
collection of genes an organism has inherited from parents
what is a phenotype?
physical characteristics of an organisms
what is a homozygous?
having 2 identical alleles of a particular gene
what is a heterozygous?
having 2 different alleles of a particular gene
what does a punnet square show?
can show possible genotypes and phenotypes
what are some effects of alleles in the genotype of an organism that isn’t shown in its phenotype?
an allele is recessive and dominant alleles are only shown in phenotype
what is a recessive allele?
an allele that doesn’t produce a trait at all when only one copy is present
