If you were observing the early development of a chick embryo and saw patterns in terms of the placement of head and wings,you would assume that you were seeing the effects of

Question

Quizplus · Accepted Answer

The placement of the head and wings in a chick embryo is determined by controlled gene expression. These patterns are established during early development through the activation or inhibition of specific genes, which dictate the placement and formation of various body structures. Temperature, lighting, and sex hormones may also influence development, but they do not play a direct role in specifying the placement of body structures like the head and wings.

If You Were Observing the Early Development of a Chick