Chapter 4

Question 1

When sperm meets the ovum, in the Fallopian tube, and penetrates egg

Answer 1

Conception

Question 2

(First 2 weeks) cells divide, day 4 reaches opening of uterus, implantation: attaches to uterus (pinhead size)

Answer 2

Zygote

Question 3

(Week 3-8) heart lungs bones muscles develop, 27 day neural tubes close, week 6 connections between brain and spinal cord make first movements

Answer 3

Embryo

Question 4

(8-9 week until birth) teeth, digestive system, capable of living outside at 7 months, yawn burp, gain weight

Answer 4

Fetus

Question 5

Inability to become pregnant

Answer 5

Infertility

Question 6

When a mass of cells split into 2. 1 egg & 1 sperm

Answer 6

Identical twins

Question 7

2 or more eggs and 2 or more sperm separate from the start

Answer 7

Fraternal twins

Question 8

Not biologically couples, their responsibility

Answer 8

Adoption

Question 9

Sperm is injected into woman (from donor or bio father)

Answer 9

Artificial insemination

Question 10

Fertilized egg from a donor is placed in women’s uterus

Answer 10

Ovum transfer

Question 11

Ovum from women is combined and fertilized with husbands sperm(zygote placed in uterus)

Answer 11

In vitro fertilization

Question 12

When mom carries child who cannot become pregnant

Answer 12

Surrogate mother