heterosis

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Word: Heterosis

Part of Speech: Noun

Definition: Heterosis is a term used in genetics that describes the phenomenon where an organism that is the result of a cross between two different breeds or species shows qualities that are better than those of either of its parents. In simple terms, when two different types of plants or animals are bred together, the offspring may be stronger, healthier, or have other beneficial traits.

Usage Instructions:

• Use "heterosis" when discussing genetics, agriculture, or breeding practices.
• It is often mentioned in the context of improving crop yields or animal traits.

Example Sentence:

• "The farmer noticed heterosis in his corn crop, as the new hybrid plants grew taller and produced more ears of corn than either parent variety."

Advanced Usage:

In more advanced discussions, you might encounter heterosis in scientific studies that analyze its effects on traits such as growth rate, disease resistance, or fertility in various species.

Word Variants:

• Heterotic (adjective): Relating to or characterized by heterosis.
  • Example: "The heterotic effects of the new hybrid were remarkable."

Different Meanings:

• Heterosis primarily refers to genetics, but in broader terms, it can be used metaphorically to describe any situation where a combination of different elements results in something superior.

Synonyms:

• Hybrid vigor: This is another term often used interchangeably with heterosis, especially in agriculture and animal breeding.

Idioms and Phrasal Verbs:

While "heterosis" does not have specific idioms or phrasal verbs associated with it, you might come across phrases like "crossbreeding" or "genetic mixing," which relate to the concept.

Summary:

Heterosis is a genetic term that describes how offspring from different parent types can be stronger or better in some way than their parents.

Academic

Noun

1. (genetics) the tendency of a crossbred organism to have qualities superior to those of either parent

Synonyms

• hybrid vigor