Answer:
A blood sample is taken. I hope this helps! :)
Dominant trait<span> definition. In genetics, a </span>trait<span> that will appear in the offspring if one of the parents contributes it. (Compare recessive </span>trait.) Note: In humans, dark hair is a dominant trait; if one parent contributes a gene for dark hair and the other contributes a gene for light hair, the child will have dark hair ...Recessive traits<span> can be carried in a person's genes without appearing in that person. For example, a dark-haired person may have one gene for dark hair, which is a dominant </span>trait<span>, and one gene for light hair, which is </span>recessive<span>.
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<span>B. The food supply diminishes in all socioeconmic classes.</span>
Answer:
<u>Repeat a behaviour.</u>
Explanation:
When we adopt a new behaviour, a neural pathway is created and it gets stronger when we repeat until it become a new normal behaviour or a habit. When a message travels in a same neuronal pathway again and again, the brain begin to transmit it even more faster and these behaviours become automatic.