Visible light has a wavelength range of:

400-740 nanometers.

200-800 nanometers.

200-400 nanometers.

200-740 nanometers.

0.001-100,000 nanometers.

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Reid WolffLv2

10 Jul 2018

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Related questions

For the following gene, which mutant likely has lost itsenhancer?

Mutant	Deletion Region	% Transcription
WT	None	100%
1	1-200	150%
2	250-400	100%
3	500-800	50%
4	950-1100	0%

Enter your answer as a single number.

aquamarinecoyote596

A cross is performed between two, true-breeding plants. One has seeds weighing 200 mg; the other, 400 mg. The F₁ produces seeds weighing 300mg. In the F₂, 1000 plants were produced. Four had seeds weighing 200 mg and four had seeds weighing 400 mg. The other plants produce seeds falling at various values between the extremes.

A. How many genes are involved in determing seed weight?

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erinraccoon979

A cross is performed between two, true-breeding plants. One has seeds weighing 200 mg; the other, 400 mg. The F1 produces seeds weighing 300 mg. In the F2, 1,000 plants were produced. Four had seeds weighing 200 mg, and four had seeds weighing 400 mg. The other plants produce seeds falling at various values between the extremes.

A. How many genes are involved in determining seed weight? Show your reasoning.

B. How much does each allele contribute to the seed weight? Show your calculations.

C. How many contributing alleles (dominant) are needed to produce 300 mg seeds? Show your calculation.

D. What proportion of the F2 will produce seeds weighing 300 mg? Show your calculation.