Soybeans Are a Self-Compatible Species, in Which the Pollen Matures

question 50

Multiple Choice

Soybeans are a self-compatible species, in which the pollen matures and is released from the anthers even before the flower opens. As a result, most ovules are fertilized by pollen from the same flower. In animals, mating between closely related individuals results in a significant loss in vigor (in-breeding depression) . Why is this NOT a significant problem in plants?

• A)The dominant angiosperm generation is diploid, which prevents recessive genes from being expressed.
• B)Natural selection during the haploid gametophyte generation tends to eliminate recessive genes that have deleterious effects on the growth and development of the gametophyte.
• C)In seed plants, the sperm does not have to swim to reach the female gamete (egg), but is instead carried there by the pollen tube.
• D)Double fertilization makes it impossible for the diploid offspring to be homozygous at any loci.

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Definitions:

Information Overload

Occurs when an individual or organization receives too much information in a short amount of time, leading to difficulty in processing, understanding, and making decisions.

Media Richness

The degree to which a communication medium is capable of effectively conveying information, taking into account aspects like immediacy of feedback, personalization, and the use of multiple cues.

Data-Carrying Capacity

The maximum amount of data that can be transported in a specific system or network over a given period.

Emotional Contagion

The phenomenon of transferring emotions from one person to another, leading to shared feelings within a group.