Genetics and Heredity

Front

What do we call the physical expression of the genetic material of an organism?

Back

Phenotype

Front

In a Punnett square, a lower case letter stands for a ____________ allele.

Back

Recessive

Front

Where are the parent alleles written in a Punnett square?

Back

Outside of the boxes (top and left side)

Front

In animals, shaggy fur is dominant to short fur. If the genotypes are heterozygous, what percent of offspring will have short fur?

Back

50%

Front

Which of the following genotypes is homozygous dominant? A, Aa, AA, aa

Back

AA

Front

What is the term for the genetic makeup of an organism?

Back

Genotype

Front

What is heredity?

Back

The passing of traits from parents to offspring.

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 only expresses its trait when two copies are present.

Front

What does homozygous mean?

Back

Having two identical alleles for a trait.