Lecture 17: Gametogenesis and Genetics Flashcards
1
Q
Define karyotype.
A
It is when chromosomes are placed side by side allowing you to clearly see which chromosomes are present.
2
Q
What does the karyotype allow you to see?
A
It allows you to see if someone has aneuploidy or not
3
Q
In what stage can twins develop?
A
In the early embryonic development.
4
Q
Differentiate between fraternal and monozygotic twins.
A
- Fraternal twins occur when multiple eggs are fertilized.
- Monozygotic twins occur when a zygote spontaneously divides.
5
Q
What can monozygotic twins become?
A
Conjoined twins
6
Q
How many placenta can fraternal twins have?
A
They have as many as the number of twins. (2 twins=2 placenta).
7
Q
How many placenta can monozygotic twins have?
A
Only 1, they share the placenta.
