In Japan, a ceremonial betrothal gift that usually comes in the form of money is presented by the bride- and groom-to-be, through a go-between, or to the bride-to-be’s household. This gift is known as

In ________, traits or disorders are influenced by the combined effects of more than one gene

Fill in the blank with correct word.

The epigenetic principle states that

A) development occurs in accordance with a genetically determined plan B) for every stage of development there is an erogenous zone. C) both progression and regression occur during development. D) either development occurs in a positive direction or it does not occur at all.