<span>Independent variable: Time plants are watered (ex. 8am, 12pm, 4pm, 8pm, 12am)
Dependent variable: growth of the plant
Controlled variable: 1. same type plants, 2. same amount of sunlight, 3. same type of dirt, 4. same type of water, 5. same amount of water (each are self explanatory of how to control)</span>
The answer is: [A]: "osteoblasts" .
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The term allele describes the form of a gene that produces a specific trait such as eye color.
:)
Answer:
A closed container designed to hold gases or liquids at a pressure substantially higher or lower than the ambient pressure
The boy has 0 chance of passing on the gene of colorblindness to his sons b/c his sons will receive his Y chromosone which doesn't carry the colorblindness genes and his daughters will all be carriers b/c they will receive his X chronomosone.
Xc= colorblind X chronomosone
Boy= XcY
Wife= XX