Term
10.1.2
How are chiasmata formed?
|
|
Definition
This occurs during prophase 1
The middle two chromatids each have a cut made at exactly the same point and they switch their DNA
|
|
|
Term
10.1.4
What is mendel's law of independent assortment? |
|
Definition
Any one of a pair of a chromosome can be combined with either one of another pair. |
|
|
Term
10.2.1
What is a dihybrid cross? |
|
Definition
| When a punnet square is drawn for 2 characteristics. |
|
|
Term
10.2.2
What is the difference between Autosomes and sex chromosomes? |
|
Definition
Sex chromosomes determine gender (i.e. the X and Y chromosomes). Autosomes are all the other chromosomes |
|
|
Term
10.2.4
What is a linkage group? |
|
Definition
A pair of genes whose loci are on the same chromosome |
|
|
Term
10.3.1
What is polygenic inheritance? |
|
Definition
When more than one gene codes for a particular characteristic. |
|
|
Term
10.3.2
What does polygenic inheritance contribute to? |
|
Definition
Continuous variation
such as skin colour or petal colour in the pea plant. |
|
|
