Heredity and Punnett Squares

Front

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

Back

25%

Front

What are the different forms of a gene called?

Back

Alleles

Front

Which of the following is homozygous recessive: rr, AA, TT, Ff?

Back

rr

Front

What is the genotype for heterozygous coarse hair?

Back

Hh

Front

What complex molecule carries genetic information and is stored in the nucleus?

Back

DNA

Front

What is the term for the physical expression of a trait?

Back

Phenotype

Front

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

Back

Genotype

Front

What is a Punnett square used for?

Back

To predict the probability of offspring genotypes from parental genotypes.

Front

If a trait is dominant, what does that mean?

Back

It means that only one copy of the allele is needed for the trait to be expressed.

Front

What does homozygous mean?

Back

Having two identical alleles for a particular gene.