Chapter 5 Genetics Review

A family history that shows how a trait is inherited:

• karyotype

• Punnett square

• pedigree

• hybrid

A diagram used to predict the outcomes of a genetic cross:

• karyotype

• Punnett Square

• Pedigree

• Venn diagram

Physical characteristics, or visible traits of an organism

• phenotype

• genotype

• trait

Known as the father of modern genetics:

• Watson

• Crick

• Darwin

• Mendel

Dominant alleles are represented with a:

• capital letter

• lower case letter

• shape

• symbol

Which term means "same alleles"?

• heterozygous.

• genes.

• homozygous.

• DNA.

A genotype is

• the physical appearance of an organism.

• a made up word for genes.

• not even a word.

• two alleles that an organism possesses.

Colorblindness is more common in males because it is controlled by

• Mendelian inheritance.

• Incomplete dominance.

• codominance.

• Sex-linked inheritance.

Which combination of sex chromosomes results in a male?

• XX

• YY

• XY

The color black is dominant in guinea pigs. The phenotypes of homozygous black guinea pigs and heterozygous black guinea pigs are:

• black
• gray
• BB and Bb
• white