W1L1 M intro and genetic traits

Question 1

When was the human genome sequencing finished

Answer 1

-Finished in 2001, an international effort with over 10 labs, $1 billion and 8 years of sequencing
Buts !!! Only completely sequenced in 2021 (hard to sequence region, silence region not included in previous one)

Question 2

Different way affecting the phenotype of a trait

Answer 2

Simple:
* Monogenic (aka Mendelian): 1 locus
(many recessive, childhood-lethal disorders)
* Oligogenic: 2-10 loci (eye colour?)
Complex
* Multigenic: 10-100 loci
* Polygenic: 100+ loci (hair colour)