Genetics Practice

Front

What is the physical appearance of an organism?

Back

Phenotype

Front

Which genotypes are heterozygous?

Back

Rr

Front

What trait is represented by a lower case letter and hidden whenever the dominant allele is present?

Back

Recessive allele

Front

What are the phenotype percentages of the offspring if A is Brown fur color and a is White fur color?

Back

75% Brown fur and 25% White fur

Front

What is the genetic makeup of an organism?

Back

Genotype

Front

What is the term for an allele that masks the effect of another allele?

Back

Dominant allele

Front

What is the term for the genetic combination of alleles an organism has?

Back

Genotype

Front

What is the term for the observable traits of an organism?

Back

Phenotype

Front

What is a Punnett Square used for?

Back

To predict the genotypes and phenotypes of offspring from genetic crosses.

Front

What does homozygous mean?

Back

Having two identical alleles for a particular gene.