Genetics 2 Flashcards
1
Q
what is the human genome project
A
it decodes the entire dna sequence into its respective base pairs
2
Q
how is the human genome used to improve biology
A
we can recognize, understand, and study genes within genome
3
Q
what causes genetic variability
A
independent assortment, crossing over, and fertilization
4
Q
what is the full name for cvs
A
chorionic villus sample
5
Q
explain the process of cvs
A
- catheter extracts tissue sample from the placenta via the vagina
- monitored by ultrasound
- babys cells removed, karyotype can be produced
6
Q
explain the process of aminocentesis
A
- hypodermic needle is injected to extract amniotic fluid from uterus
- monitored by ultrasound
- babys cells removed, karyotype can be produced
7
Q
out of cvs and amniocentesis which has a lesser risk, why
A
amniocentesis, as it is performed later.
8
Q
the gene which triggers testes development is called…
A
the “sex determining region on Y” gene
