session 5-inheritance of genes, alleles and autosomes Flashcards
1
Q
define genotype
A
genetic make up of individual
2
Q
define phenotype
A
observable characteristics of an individual
3
Q
how is genetic diversity achieved in meiosis? (2 ways)
A
- crossing over
- independent assortment of chromosomes
4
Q
Give 3 examples of factors that influence phenotype and genotype
A
Radiation,diet, life style
5
Q
Distinguish between the differences of genes and alleles
A
Gene-a section of DNA on a chromosome that codes for a protein
Allele-alternative form of a gene (everyone has 2 alleles for every gene which can be the same or different)
6
Q
What is autosome?
A
Gene in question is located on chromosome that isn’t a sex chromosome
