According to NIDA, THC causes brain cells to release dopamine, which results in bliss. It also affects how the hippocampus, a region of the brain involved in creating new memories, processes information. THC has the ability to alter perception, reasoning, and cause delusions.
<h3>What is cannabis ?</h3>
Cannabis sativa or Cannabis indica plant parts such as dried leaves, flowers, stems, and seeds are referred to as marijuana. The plant contains the psychoactive compound THC as well as several other related compounds. Extracts from the cannabis plant can also be produced.
- Marijuana's chemical components have hallucinogenic effects on both the body and the mind. It might be addictive and harmful to some people's health.
- THC, the main psychoactive ingredient, energises the region of the brain that reacts to pleasure, such as food and sex. Dopamine is released as a result, making you feel euphoric and at ease
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Across nearly seven million years, the human brain has tripled in size. The most likely the reason for the evolution of a larger brain in humans is that a larger brain allows humans to solve complex problems. Large, complex brains enable humans to process and store a lot of information and to interact with each other and with their surroundings better. The brain we now humans have is the largest and most complex of any living primate.
Answer:
A) incomplete dominance.
Explanation:
It is a clear case of incomplete dominance. This kind of inheritance shows deviation from Mendel's popular law of genetics which is known as "Law of Dominance". This law states that when two pure breeding parents i.e. homozygous dominant and homozygous recessive are mated then all their off-springs are genotypically heterozygous but phenotypically they all show dominant trait. But in incomplete dominance, <u>the dominant allele is unable to mask the expression of recessive allele completely</u> which leads to a phenotype which is a blend of both the traits.
In the example, orange beak is unable to mask the expression of ivory beak completely as a result of which all the off-springs have an intermediate trait which is pale, ivory-orange beak.
Answer:
The population has evolved because there was a change in allele frequencies.
Explanation:
The evolution may be defined as the process of the change of the species characteristics with the passage of the time. The natural selection, mutation and the genetic drift might cause the evolution.
The population might have evolved as the allele frequencies has changed from the generation to the generation. Although the variation among the population is quite less but the variation is still enough for the evolution of the elephant seals.
Thus, the correct answer is option (D).
