When Mendel Crossed a True-Breeding Tall with a True-Breeding Dwarf

question 14

Multiple Choice

When Mendel crossed a true-breeding tall with a true-breeding dwarf plant,all of the F₁ generation was tall.Therefore we may conclude that the allele for dwarfism in the pea plant is:

• A)recessive
• B)codominant
• C)dominant
• D)intermediate in expression

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Definitions:

Bomb Calorimeter

An apparatus used for measuring the heat of combustion of a particular reaction.

Combustion

A chemical process involving the rapid oxidation of substances, resulting in the release of energy, light, and heat.

Activation Energy

The minimum amount of energy that must be provided to compounds to induce a chemical reaction.

Pyrolysis

The chemical decomposition of a substance through the application of heat, in the absence of oxygen.