What Is a Tuber

question 20

Multiple Choice

What is a tuber?

• A) A reproductive structure on a plant
• B) A drought-resistant life stage of a plant
• C) A sugar storage structure of a plant
• D) A water storage structure of a plant

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Definitions:

Incomplete Dominance

A genetic scenario in which one allele does not completely dominate another allele, leading to a phenotype that is a blend of the two alleles.

Codominance

A genetic scenario where two alleles of a gene are expressed equally in the phenotype of heterozygotes.

Epistasis

A genetic interaction where the effect of one gene is modified by one or several other genes, which can mask or alter its phenotype.

XIST

A gene involved in X chromosome inactivation, playing a crucial role in dosage compensation between males and females.