Crossing Over ____

question 42

Multiple Choice

Crossing over ____.

• A)generally results in binary fission
• B)involves nucleoli
• C)involves breakages and exchanges being made between sister chromatids
• D)results in new combinations of alleles being channeled into the daughter cells
• E)is the same as disjunction

Understand the significance of double fertilization in angiosperms and its components.

Recognize the differences between key structures such as the seed and embryo sac, and their formation.

Explain the mechanisms of pollination and the importance of pollen tube growth in fertilization.

Understand self-incompatibility in plants and its genetic basis.

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Definitions:

Cash Equivalents

Short-term, highly liquid investments that are readily convertible to known amounts of cash with original maturities of three months or less.