A loss of alleles was correct for me on plato. hoped this helped.
The most common aneuploidy that infants can survive with is trisomy 21, which is found in Down syndrome, affecting 1 in 800 births. Trisomy 18 (Edwards syndrome) affects 1 in 6,000 births, and trisomy 13 (Patau syndrome) affects 1 in 10,000 births.
Generally speaking, precession is believed to <u>occur as a result of the gravitational forces exerted by the sun and moon as they revolve around the earth.</u> When an object revolves, its axis of rotation exhibits a nodding or swish motion. There is a wobble in the movement of precession. This phenomenon is caused by the gravitational pull exerted by one body upon another, resulting in nutation.
Hope this helps :)
Answer:
Biosphere
Explanation:
The biosphere contributes to life. The biosphere is important for the survival of our own lives, and it also it is the zone of the earth where the air, land, water, and other abiotic elements interact together to support our whole lives.