Plant breeding Flashcards
1
Q
Genotype
A
the genetic makeup of a variety
2
Q
phenotype
A
the physical appearance to the genotype
3
Q
qualitative traits
A
easily grouped together controlled by 1 or few genes eg green/white pods
4
Q
quantitative traits
A
hard to separate into classes controlled by many genes. height/ growth
5
Q
cell nucleus contains what
A
chromosomes that control trait inheritance
6
Q
meiosis
A
cell division that reduces the genetic content by half
7
Q
different forms of a gene are called
A
alleles
8
Q
plant breeding goals
A
yield
quality traits
havestability
persistence
9
Q
Plant breeding timeline
A
- identify variable populations
- parent selection YR1
- crossing YR2
- maintaining experimental lines YR3-6
- selection of new lines YR3-6
- Multi location field trials Yr6-8
7.Vareity Released -Yr 9
10
Q
Autogamous crop
A
protected male and female parts
11
Q
No sexual reproduction =
A
low genetic diversity
