This topic contains a solution. Click here to go to the answer

Author Question: The period of prenatal development that begins about three weeks after fertilization is known as: ... (Read 127 times)

BRWH

  • Hero Member
  • *****
  • Posts: 553
The period of prenatal development that begins about three weeks after fertilization is known as:
 
  a. the embryonic stage.
  b. the fetal stage.
  c. the implantation stage.
  d. the zygotic stage.

Question 2

The process by which genes and the environment interact, turning on certain genes, is known as:
 
  a. embryonic development.
  b. epigenetics.
  c. fertilization.
  d. teratogenic interaction.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

aburgess

  • Sr. Member
  • ****
  • Posts: 361
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 29% of students answer this correctly




BRWH

  • Member
  • Posts: 553
Reply 2 on: Jun 20, 2018
:D TYSM


scottmt

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Excellent

 

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

Did you know?

Medication errors are three times higher among children and infants than with adults.

For a complete list of videos, visit our video library