Mendelian Genetics

Front

What is the term for an organism with two of the same alleles?

Back

Homozygous

Front

What is the genotype for homozygous dominant?

Back

RR

Front

What is the genotype for a heterozygote?

Back

Rr

Front

If a father is AA and a mother is AB, what is the probability of their child having AB blood?

Back

50%

Front

In rabbits, if black fur (B) is dominant over brown fur (b), what can you conclude about a rabbit with brown fur?

Back

It is bb.

Front

What does the term 'allele' refer to in genetics?

Back

An allele is a variant form of a gene.

Front

What is the difference between dominant and recessive alleles?

Back

Dominant alleles express their trait even if only one copy is present, while recessive alleles require two copies to express their trait.

Front

What is a genotype?

Back

A genotype is the genetic makeup of an organism, represented by the alleles it possesses.

Front

What is a phenotype?

Back

A phenotype is the observable physical or biochemical characteristics of an organism, determined by its genotype.

Front

What does it mean for an organism to be heterozygous?

Back

An organism is heterozygous when it has two different alleles for a particular gene.