Non Mendelian Genetics

In fruit flies, eye color is a sex linked trait. Red (R) is dominant to white (r). What is the sex and eye color of flies with the following genotype: X ^R X ^r ?

• male with white eyes

• female with red eyes

• male with red eyes

• female with white eyes

In a cross between a pure red eyed female and a white eyed male, what would the genotypes of the parents be?

• X^RX^r with X^R Y

• X^RX^r with X^r Y

• X^RX^R with X^R Y

• X^RX^R with X^r Y

• X^rX^r with X^r Y

Look at this cross: X^BX^b x X^BY

What proportion of the male children are colorblind?

• 100%

• 75%

• 50%

• 25%

H= normal blood clotting

h=hemophilia

X^HX^h x X^HY

What is the probability that any of their offspring will have hemophilia?

• 4/4

• 3/4

• 2/4

• 1/4

A chart that displays family relationships indicating traits or disorders

• Punnett square

• Pedigree

• Karyotype chart

In a pedigree, individuals that are carriers are represented as shapes that are

• Not shaded

• Fully shaded

• Half shaded

In a pedigree, individuals that are unaffected are represented as shapes that are

• Not shaded

• Fully shaded

• Half shaded

In a pedigree, individuals that are affected are represented as shapes that are

• Not shaded

• Fully shaded

• Half shaded

How many kids did the mother and father from the first generation have?

• 2
• 4
• 5
• 6

Is this trait (the shaded individuals) dominant or recessive?

• dominant
• recessive