The geneticist who discovered the white eye mutation in drosophila and helped establish that genes are carried on chromosomes was Thomas Hunt Morgan.
Thomas Hunt Morgan One landmark of modern genetics can be dated to January 1910, when Thomas Hunt Morgan discovered a male of Drosophila melanogaster with white eyes.
What is genetics?
- The study of genes and heredity.
- Heredity is the passing of genetic information and traits from parents to offspring.
- Genetics is the study of genes and tries to explain what they are and how they work.
- children usually look like their parents because they have inherited their parent's genes.
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Answer: <u>Sinks towards the outer core
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Explanation: The material which is less dense, means it is lighter in weight. Such substances tend to move more towards the crust of the Earth, whereas the heavier substances like iron, is more towards the core or centre of the Earth. This is because heavier substances tend to sink deeper. That’s why the light elements are found in the crust section of the Earth.
If the following graph represents the decay of strontium-90 in an igneous rock, what event occurred at 0 years on the horizontal axis?
<span>I have a graph with the vertical axis showing the percentage of radioactive element remaining. </span>
Part 1:
The carbon-monoxide, carbon-dioxide, and other harmful gasses are being released into the environment by the factory causing the air to be polluted.
Part 2:
The factory is putting in mechanical work, so the energy coming out is mechanical energy which is being transformed into chemical energy in the form of harmful gases.
Part 3:
This process is a recycling of carbon in the carbon cycle because along with adding carbon-dioxide to the air, it also provides photosynthetic autotrophs with carbon-dioxide which is required for photosynthesis. This will then be turned into oxygen which is used for cellular respiration in animals.
It would be the 3rd option: Reaction to a stimulus helps maintain homeostasis.
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