Topic 1 Flashcards
1
Q
How are genes inherited?
A
Through chromosomes
2
Q
Locus
A
Specific location of each gene on a certain chromosome
3
Q
Genes are made up of?
A
Segments of DNA
4
Q
Genes are passed on via?
A
Reproductive cells called gametes
5
Q
What did Mendel use?
A
Pea plants
6
Q
Advantages of pea plants for genetic study?
A
Characters- distinct heritable features eg flower colour
Traits- character variants (purple or white flowers)
Mating can be controlled
Each plant has stamens and carpels
Cross pollination
7
Q
Stamens
A
Sperm-producing organs
8
Q
Carpels
A
Egg-producing organs
9
Q
Cross-pollination
A
Fertilization between different plants: can be achieved by dusting one plant with pollen from another