The first ________ (time frame) after birth constitute(s) the ________ period of life for the newborn.

Number the sequence of events that initiate lactation. ​

Estrogen and progesterone levels decrease when the placenta is expelled, and prolactin stimulates milk production.

​In the last month of pregnancy, placental estrogen, progesterone, and placental lactogen stimulate the production of prolactin.

​Estrogen and prolactin stimulate acini in the mammary gland to grow and lactiferous ducts to branch.

Oxytocin binds to myoepithelial cells in the mammary glands and causes them to contract and eject milk.

________ are segments of DNA that code for a specific protein, and the human ________ includes over 20,000 of these segments.

Which pattern of inheritance includes examples of codominance?

a. Autosomal dominant and recessive traits

b. Multiple-allele traits

c. Sex-linked traits

d. Polygenic inheritance