In Snapdragons, Heterozygotes for One of the Genes Have Pink

question 18

Multiple Choice

In snapdragons, heterozygotes for one of the genes have pink flowers, whereas homozygotes have red or white flowers. When plants with red flowers are crossed with plants with white flowers, what proportion of the offspring will have pink flowers?

• A)0%
• B)25%
• C)50%
• D)75%
• E)100%

---

Definitions:

Coral Bleaching

occurs when corals lose their vibrant colors due to stress factors such as increased temperatures, leading to a weakened state with reduced growth and reproductive ability.

Zooxanthellae

A type of microscopic algae living symbiotically within the cells of coral and other marine organisms, providing them with energy through photosynthesis.

Euphotic Zone

The upper layer of a body of water, such as an ocean or lake, that is illuminated by sunlight and supports photosynthesis.