Complex Patterns of Inheritance

Is the following allele Dominant or Recessive:

A

• Dominant

• Recessive

• you cannot determine this based on the information provided

is the following allele Dominant or Recessive:

a

• Dominant

• Recessive

• you cannot determine this based on the information provided

Alternative forms of a gene are called

• genes

• alleles

• chromosomes

• locus

Which of the following is heterozygous?

• aa

• TT

• Bb

• YY

Males have two X chromosomes

• True

• False

G = green, g = yellow

The genotype for a yellow plant is

• GG

• Gg

• gg

What does a Punnett Square help you do?

• Determine the ratio of phenotypes

• Determine the ratio of genotypes

• Predict possible traits the offspring will have

• All of the above

If a male shows a recessive X-linked trait, which parent did he receive the allele from?

• Mom

• Dad

• Grandma

• Grandpa

In order for codominance and incomplete dominance to be seen in the phenotype, the organism must be ___________

• Heterozygous

• Homozygous dominant

• Homozygous recessive

• Homologous

For an XX female to express a recessive sex-linked trait, she must have

• two dominant alleles

• one dominant allele

• two recessive alleles

• one recessive allele