Because they have more underlying factors such as (straight) brown hair or (curly) blonde hair from different parents. A punnet square would be too big and confusing if we considered all the factors that came from the parents.
Example answer number one
Traits are inherited trough the parents genes that are passed to the offspring trough both parents reproductive cells, that contain genes in their nucleus.
Hope it helped,
Happy homework/ study/ exam!
Answer:
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Land breeze.
Because a land breeze is usually early in the morning and late an night.
