It involves chromosomal abnormality; w<span>hen the condition is caused by trisomy 21, (down syndrome), the </span>chromosomal abnormality<span> occurs as a random event during the formation of reproductive cells in a parent. The </span>abnormality<span> usually occurs in egg cells, but it occasionally occurs in sperm cells.
I hope this answers your question. =)</span>
Answer:
Physically inactive people can lose as much as 3% to 5% of their muscle mass each decade after age 30.
Explanation:
Hopes this helps ?
Answer:
B. Social environment
Explanation:
It's like when you hang out with people who likes to draw so you end up having drawing as a hobby (example).
Basically, depending on who you're surrounded with, you will end up influenced with or without you noticing it.
Thyroid nodule produces the hormones that change your voice
Answer: The motivation to exercise has to do mostly with how you think about exercise.