Mendelian Genetics

Front

What is a dominant trait?

Back

A dominant trait is a trait that prevents or masks the showing of another trait.

Front

What is the percentage of homozygous dominant offspring when two homozygous dominant parents are crossed?

Back

0%.

Front

If a rabbit has brown fur, what can you conclude about its genotype?

Back

It is bb.

Front

What does it mean when an organism is homozygous?

Back

It means the organism has two of the same alleles.

Front

What does it mean when an organism is heterozygous?

Back

It means the organism has two different alleles.

Front

What is a recessive trait?

Back

A recessive trait is a trait that is masked by a dominant trait.

Front

What is a Punnett square used for?

Back

A Punnett square is used to predict the genetic outcomes of a cross between two organisms.

Front

What is the genotype of an organism with the alleles Bb?

Back

The organism is heterozygous.

Front

What is the genotype of an organism with the alleles BB?

Back

The organism is homozygous dominant.

Front

What is the genotype of an organism with the alleles bb?

Back

The organism is homozygous recessive.