Whiteboard Review: Expectations and Consequences

Front

Fill in the blank: The term for the observable physical characteristic, such as brown fur, is called _________.

Back

Phenotype

Front

Fill in the blank: Having two identical alleles, such as AA, aa, BB, or bb, is called being _________.

Back

Homozygous

Front

Fill in the blank: An allele that is only expressed when two copies are present, such as a or b, is called a _________.

Back

Recessive allele

Front

A heterozygous purple flower was fertilized with pollen from a heterozygous purple flower. What is the probable ratio of purple to white flowers?

Back

3:1

Front

Back

1:1

Front

Fill in the blank: The genetic makeup of an organism, represented by alleles, is called _________.

Back

Genotype

Front

Fill in the blank: The physical expression of a trait, such as flower color, is known as _________.

Back

Phenotype

Front

Fill in the blank: An allele that masks the effect of another allele is called a _________.

Back

Dominant allele

Front

Fill in the blank: The different forms of a gene, such as A and a, are called _________.

Back

Alleles

Front

Fill in the blank: The probability of an offspring inheriting a specific trait can be predicted using a _________.

Back

Punnett square