B1.7 Genetic variation and its control Flashcards
1
Q
In what form is the information that results in plants and animals having similar characteristics to their parents?
A
genes
2
Q
How do parents pass on their genes to their offspring?
A
- in the sex cells (gametes).
3
Q
Which part of a cell contains the genetic information?
A
The nucleus
4
Q
What are long strands of DNA called?
A
chromosomes
5
Q
What are genes? (2 marks)
A
- Part of a chromosome/ a piece of DNA
- that controls a characteristic.
6
Q
What may cause variation individuals in a species?
A
- the genes they have inherited (genetic causes)
- the conditions in which they have developed (environmental causes)
- or a combination of both
