Two Different Pure-Breeding Lines of Tobacco Were Crossed and Their

question 31

Multiple Choice

Two different pure-breeding lines of tobacco were crossed and their F₁ showed a variance in flower length of 8.76.The total variance in flower length in the F₂ was 40.96.The F₁ and the F₂ plants were bred,grown,and kept in identical environments.

a) What is the broad-sense heritability of flower length in tobacco in this experiment?

• A)8.76%
• B)21.38%
• C)32.20%
• D)78.61%
• E)The broad-sense heritability cannot be calculated based on these data.

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Definitions:

Inelastic Demand

A scenario in which the need for a product remains largely unaffected despite variations in its price.

Excise Tax

A tax levied on specific goods, services, and activities, such as tobacco, alcohol, and gambling, often used to discourage their use and generate government revenue.

Largest Source

Refers to the main or biggest origin of something, such as the largest source of revenue for a business or the largest source of pollution in an area.

Sales Tax

A tax levied on the cost (at retail) of a broad group of products.