Lily Plants Sometimes Have Twice as Many Chromosomes Per Cell

question 17

Multiple Choice

Lily plants sometimes have twice as many chromosomes per cell as their parent plants.Which of the following statements explains how this phenomenon might have happened?

• A) The lily's sister chromatids failed to separate during meiosis.
• B) The lily's chromosome number went from 2n to 1n.
• C) The lily's gametes fused during mitosis.
• D) The parent plant lost half of its chromosomes during mitosis.

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Definitions:

Median

The middle value in a list of numbers, which separates the higher half from the lower half of the data set.

IQR

Interquartile Range, a measure of statistical dispersion, which is the difference between the 75th and 25th percentiles of the data.

Range

The difference between the highest and lowest values in a dataset, indicating the spread of the data.

Median

The middle value in a data set, which divides the set into two equal halves when the values are arranged in ascending order.