Genetic Inheritance 4.6.1.6 & 4.6.1.8 Flashcards
1
Q
How many chromosomes does our body cells contain?
A
46 (23 pairs)
2
Q
How many chromosomes does sex cells contain?
A
23
3
Q
What is an allele?
A
Form a gene
4
Q
What is dominant?
A
alleles that always expresses if present. (B)
5
Q
What is recessive?
A
allele that does not express (b)-unless they are both recessive (bb)
6
Q
What is a homozygous?
A
the two alleles are the same (EE or ee)
7
Q
What is a heterozygous?
A
the two alleles are different (Ee)
8
Q
What is a genotype?
A
the alleles an organism has
9
Q
What is a phenotype?
A
the characteristics an organism has.