Answer:
Only one chromosome from each pair randomly passed to the s*x cells during meiosis and leads to differences between the siblings.
Answer:
Ionizing radiation comes from these main sources:
Nuclear reactions in the Earth's sun and stars in space.
Radioactive decay in the body's tissues and in the soil.
Radioactive decay of unstable elements in rocks, especially rocks that contain radium and release radon gas.
Other examples of ionizing radiation include alpha, beta, and gamma rays from radioactive decay.
Lifespan is an indicator that measures the average of the maximum number of years a human can live.
<h3>What is lifespan?</h3>
It is the number of years that a newborn can live according to the standard of mortality by age of the population of its country.
In other words, it is a concept that only makes sense for one generation and is obtained as part of a mortality table that refers to the average number of years that a person is expected to live after birth.
Therefore, we can conclude that lifespan is an indicator that measures the average of the maximum number of years a human can live.
Learn more about lifespan here: brainly.com/question/11445304
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