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Sergeeva-Olga [200]
3 years ago
9

Science 7.   Grade 7.

Biology
1 answer:
Murrr4er [49]3 years ago
7 0
Question 2: Because the offspring most often will look like it's parents.
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2 years ago
A scientist performs an experiment in which they create an artificial cell with a selectively permeable membrane through which o
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Answer:A. Water moves into the cell

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In this case the cell is hypertonic and water would enter into the cell through the semi permeable membrane.this membrane allows water to pass through but not glucose.this movement of water into the cell causes the cell to become turgid.

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4 years ago
Explain the relationship between crossing over and genetic variation
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When homologous chromosomes form pairs during prophase I of meiosis I, crossing-over can occur. Crossing-over is the exchange of genetic material between homologous chromosomes. It results in new combinations of genes on each chromosome. It is obviously another source of genetic variation in offspring.

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Because algae undergo ________________________, they produce much of Earth’s atmospheric oxygen.
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