Year 10 Science - Genetics Review

These flashcards cover key concepts in genetics such as alleles, Mendelian inheritance, genotype vs phenotype, and test crosses.

Genes à code for a ……………….. à which affects a …………….

protein; trait

An allele is an alternative form of a gene that codes for a particular __________.

protein/trait

Mendel's Law states that recessive alleles will always be __________ by dominant alleles.

masked

The physical appearance of a trait resulting from genotype is called __________.

phenotype

Both alleles in a homologous pair that are the same are referred to as __________.

homozygous

If the two alleles are different, the individual is referred to as __________.

heterozygous

Test crosses help determine if two genes are located on the same chromosome (__________) or different chromosomes (__________).

linked; unlinked

A __________ trait is one that is controlled by a single gene.

Mendelian

Genes that are located on an autosome (non-sex chromosome) are referred to as __________ inheritance.

autosomal

For a recessive allele to produce a recessive phenotype, the individual must have __________ copies of the allele.

two