The uniqueness of individual offspring for many animals and plants is the result of a process called Meiosis.
During meiosis , the number of chromosomes in parent cell are reduced by half and produces four gamete cells.
Later
on, these chromosomes are mixed into the new offspring, causing it
carried out some characteristic from its parents and became a new unique
individual.
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Answer: The primary motor cortex for control of voluntary muscles is found in the precentral gyrus of the frontal lobes.
Explanations:
The primary motor cortex is one of the important brain areas involved in motor function. It is found in the precentral gyrus of frontal lobes. It control voluntary muscles and generate impulses needed for movement execution.
Voluntary muscles are muscles that we can control consciously or we can control them at will and we can choose when we want to use them. They are also refers to as skeletal muscles and are attached to bones. The are majorly use for locomotion.
Answer:
cells consist of cytoplasm enclosed
with a membrane
Over time, as oxygen levels decrease, CO2 levels increase. Respiration is correct as it uses oxygen as a reactant and releases CO2 as a byproduct.
Down syndrome causes a distinct facial appearance, intellectual disability, developmental delays, and may be associated with thyroid or heart disease.
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