Mendelian Genetics

Front

The letters on the TOP AND SIDE of a punnett square represent _____________.

Back

The possible alleles given by the parents following meiosis.

Front

What is the chance that a baby from two brown-eyed parents (Bb) is blue-eyed?

Back

25%.

Front

A version of a gene is called a(n) _____________.

Back

allele.

Front

If 'T' is the dominant allele for tall and 't' is the recessive allele for short, what phenotype would 'Tt' produce?

Back

tall.

Front

A phenotype is the ___________ of an organism.

Back

Physical appearance.

Front

What is the definition of genotype?

Back

The genetic makeup of an organism, represented by alleles.

Front

What does homozygous mean?

Back

Having two identical alleles for a particular gene.

Front

What does heterozygous mean?

Back

Having two different alleles for a particular gene.

Front

What is a dominant allele?

Back

An allele that expresses its trait even in the presence of a recessive allele.

Front

What is a recessive allele?

Back

An allele that expresses its trait only when two copies are present.