The correct answer is polypoidy.
- Polypoidy means the pressence of an extra set of chromosome. This factor helps in various types of advancement in the plants.
- This polypoidy of plants results in bigger fruits and as the polypoid fruit is sterile they are seedless.
- The fruit formed has higher yield.
- They are resistant to diseases, high vigor and have good crop quality.
The presence of drugs or chemicals in an organism's environment can also influence gene expression in the organism. Cyclops fish are a dramatic example of the way in which an environmental chemical can affect development.
Answer:
People with one CF allele have an advantage of being less likely to contract typhoid. This helped them survived and pass their trait to their offspring.
Explanation:
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Answer:
Impairment of photosynthesis
Explanation:
The major effect of oil spilage is that it impairs or hampers photosynthesis.
Photosynthesis is the process where green plants manufactures their own food in the presence of sunlight and water.
Water is denser than oil. Therefore, oil floats on the surface of water. Oil on water surface acts as a blanket to sheild plants away from receiving direct sunlight. Sunlight is very important during photosynthesis.
In the absence of sunlight, plants are unable to manufacture their food.
They are also unable to receive carbon dioxide from the environment.
