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GenaCL600 [577]
3 years ago
14

Define autotrophs, heterotrophs, producers, and photoautotrophs.

Biology
1 answer:
sergey [27]3 years ago
3 0
Producers: living things that make their own food through a process called photosynthesis

Autotrophs: an organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide.

Heterotrophs: an organism deriving its nutritional requirements from complex organic substances.

Photo autotrophs: organisms that carry out photosynthesis. Using energy from sunlight, carbon dioxide and water are converted into organic materials to be used in cellular functions such as biosynthesis and respiration.
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During meiosis chromosomes will split into daughter cells randomly this is called
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3 years ago
The purple spots on colorless background of corn kernels observed by barbara mcclintock were the result of _______.
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The purple spots on the colorless background of corn kernels observed by Barbara McClintock were the result of the transposition of the Ds elements out of the color gene.

<h3>What are the genetic elements found in corn?</h3>
  • A transposable element is removed from one spot in the DNA and inserted into a different site in the DNA during the process of genetic transposition, which allows genes to shift their location on chromosomes.
  • The first recognized genetic instability was caused by genetic transposition.
  • The size of the tissue patch displaying the reversion phenotype increases as a reversion event happens earlier in the kernel development.
  • Barbara McClintock saw purple dots on maize kernels with an otherwise colorless background.
  • These spots were caused by the Ds components of the color gene being transposed.
  • The wild-type (purple) phenotype manifests itself in cells where Ds from the color gene "C" sequence has been lost.

Hence, Barbara McClintock discovered purple patches on the colorless backdrop of maize kernels due to the transposition of the Ds elements out of the color gene.

To learn more about Transposition refer to:

brainly.com/question/13447171

#SPJ4

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the citric acid cycle and preparatory steps

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