Melanin Retake Ticket

What is the genotype of the mother?

• BB
• bb
• Bb
• BB or Bb

In a Punnett square, what does a capital letter represent?

• A recessive allele

• A dominant allele

• A genotype

• A phenotype

The colored in shape means

• Someone that is married into the family

• Male

• Has the trait being traced

• Dead

How many alleles for a typical gene does a person inherit from their parents?

• 1

• 2

• 3

• 4

How are individuals III-2 and II-4 related?

• Brother and sister

• Dad and daughter

• Uncle and niece

• Grandfather and granddaughter

Deoxyribonucleic acid, a double stranded helical molecule that carries genetic information.

• dominant gene

• chromosomes

• DNA

• gene

This pedigree represents the inheritance of hemophilia in this family. How many of the females have the hemophilia trait?

• 8
• 5
• 2
• 3

How many individuals are there in the 3rd generation?

• 1

• 2

• 4

• 6

Which of the following is true about recessive traits?

• They are always more common in the population than dominant traits

• They can only be expressed if the individual has two copies of the recessive allele

• They are always less advantageous than dominant traits

• They cannot be passed on to offspring

Can a couple with brown eyes and blue eyes have a blue eyed child?

• Yes, if the brown eyed parent carries a blue eyed trait.

• No. The children will all have brown eyes.

• Yes, if they shake the test tube.

• Yes, if the blue eyed parent has a brown eyed gene.