Phases

Question 1

What are the 4 Embryology Phases?

Answer 1

1. Preimplantation
2. Embryonic
3. Fetal
4. Congenital Malformations

Question 2

What is the time frame for Preimplantation phase?

Answer 2

before its 7 days

Question 3

What is the time frame for the Embryonic phase?

Answer 3

When preimplantation stops and goes for or until 8 weeks of development. (from the beginning of the second weekd to the end of the 8th week)

Question 4

What is the time frame for the Fetal phase?

Answer 4

3mos. until the child is born

Question 5

When is Congenital Malformation evident?

Answer 5

At birth.

1 out of 700 life births have some kind of birth defect

Question 6

What happens during the cell divison of Mitosis?

Answer 6

One parent cell divides and creates 2 daughter cells with same genetic complement.

Question 7

In Mitosis, the daughter cells are said to have what #?

Answer 7

the Diploid #

Question 8

What happens during the cell division of Meiosis?

Answer 8

Meiosis creates daughter cells with half the number of chromosomes compared to the parent cell.

Question 9

In Meiosis, it is said to have what #?

Answer 9

the Haploid # of 23