Chapter 28

Question 1

direct the cells of a developing embryo to do a certain function

Answer 1

HOX gene neuralation

Question 2

gonads that become the testes and associated epididymis

Answer 2

Bipotential gonads

Question 3

Ducts that become the vas deferens

Answer 3

Wolffian ducts

Question 4

Embryonic layer that becomes the liver, pancreas, lungs, and digestive system

Answer 4

Endoderm

Question 5

Embryonic layer that becomes the circulatory system, lungs, skeletal and muscular system

Answer 5

Mesoderm

Question 6

Embryonic layer that becomes hair, nails, skin and nervous system

Answer 6

Ectoderm