Science 7 Midterm Review Vocab

Front

2 identical alleles for the same trait (AA or aa), Another term is Purebred

Back

Homozygous

Front

Different forms of alleles for that trait (Aa), Another term is Hybrid

Back

Heterozygous

Front

The trait that takes over and is expressed (A); Only 1 dominant allele needs to be present in order for it to be expressed

Back

Dominant

Front

A trait that is 'hidden' or not expressed; If the genotype is aa, then the trait will be expressed

Back

Recessive

Front

The combination of genes (Think 'letters': AA, Aa, aa)

Back

Genotype

Front

Physical characteristics, or what you see (Eye color, hair color, height)

Back

Phenotype

Front

The abnormal growth of cells

Back

Cancer

Front

Any change in the original sequence of DNA

Back

Mutation

Front

Choosing parents with particular characteristics to breed together and produce offspring with more desirable characteristics

Back

Selective Breeding

Front

A process by which the genes (DNA) of a living thing are modified, or changed

Back

Genetic Engineering