A Lizard with a Striped Tail and a Normal Head

question 4

Multiple Choice

A lizard with a striped tail and a normal head crossed with one having a normal tail and a spotted head produce all normal (no stripes or spots) F₁ progeny. What progeny would be expected to be produced by mating either of the parental lizards with another that had a striped tail and spotted head, if the genes conferring stripes and spots were close together on the same chromosome?

• A) equal numbers of normal, striped, spotted and striped, and spotted
• B) 3 striped : 1 spotted
• C) mostly progeny that are striped or spotted
• D) mostly progeny that are normal or striped and spotted
• E) 9 normal : 3 striped : 3 spotted : 1 striped and spotted

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Definitions:

Unemployment Rate

The proportion of the labor force that is not currently employed but is actively looking for work and willing to work.

Volcker Disinflation

A period of monetary policy adjustment in the United States under Federal Reserve Chairman Paul Volcker, aimed at reducing high levels of inflation through high interest rates in the late 1970s and early 1980s.

Inflation Expectations

The anticipation of consumers, businesses, and investors about the rate at which the general level of prices will rise in the future.

Disinflation Costs

Entails the economic costs associated with reducing the rate of inflation, which can include increased unemployment and slower economic growth.