day 1 genetics

Question 1

what is genetics counseling?
and what will it do?

Answer 1

a service for couples with a risk of having a child with a certain disease
-take a family history
- construct a pedigree
- determine type of inheritance
-suggest and arrange for testing
-provide support

Question 2

Different types of prenatal tests
name 5 and what they do

Answer 2

karyotype- shows abnormalities in chromosomes
sampling of embryonic material
maternal serum screening- test of blood for levels of certain substances or DNA
-ultrasound
- family exome analysis

Question 3

Biotechnology and genetic testing

Answer 3

use biotechnology tools to analyze DNA
DNA fingerprinting
prr (polymerase chain reaction)
restriction enzymes

Question 4

restriction enzymes “DNA scissors”

Answer 4

cuts DNA strands in the same location to create DNA fragments

Question 5

DNA fingerprinting

Answer 5

DNA samples are cut with the same restriction enzymes to create DNA fragments

Question 6

Gel electrophoresis

Answer 6

used to separate DNA fragments by size to show fragment length