You Are Looking at the Color of Feathers in Ducks

question 56

Multiple Choice

You are looking at the color of feathers in ducks and find that yellow ducks (Y) are dominant to green ducks (y) . However, a second gene, H, controls whether the color will be expressed in the feathers. If the duck is hh, the duck will always be white, because the pigment does not go into feathers. What ratio of phenotypes would you expect following a dihybrid cross?

• A) 15:1
• B) 12:3:1
• C) 9:3:4
• D) 9:6:1
• E) 13:3

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Definitions:

Jomon

Japanese, “cord markings.” A type of Japanese ceramic technique characterized by ropelike markings.

Ise Shrine

is a Shinto shrine dedicated to the goddess Amaterasu-ōmikami, located in Ise, Japan, notable for its tradition of being rebuilt every 20 years.

Kondo

The main hall, or Golden Hall, of a Japanese Buddhist temple, which houses the principal images and statues for worship.

Yakushi Triad

A central figure in Japanese Buddhist iconography, Yakushi Nyorai, flanked by two attendants, symbolizing healing and medicine.