The answer is <span>D) Organisms in the population must express no mating preferences.
Some of the conditions that must be met for a </span><span>population or an allele to be in Hardy-Weinberg equilibrium are:
1. The population must be <u>very la</u><u>rge</u> - so A) could not be the right answer.
2. There must be <u>no migration</u> and population must be isolated - so B) could not be the right answer.
3. There must be <u>no mutations</u> - so C) could not be the right answer.
4. There must be <u>random mating</u>, which means there are <u>no mating preferences</u> - so, D) is the right answer.
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The possible number of main effect is THREE.
Main effects refers to the major conditions that are specify in the experiment; these are: room temperature, noise level and room colour. These three factors are manipulated in the designed experiment.
A OXYGEN ... almost 99% of mass in the body is made up of oxygen ,hydrogen ,nitrogen calcium,carbon so on
Answer:
The dermal tissue system protects the soft tissues of plants and controls interactions with the plants' surroundings. The epidermis is a dermal tissue that is usually a single layer of cells covering the younger parts of a plant. It secretes a waxy layer called the cuticle that inhibits water loss.
Explanation: