Alleles

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  • Created by: Nicole D
  • Created on: 07-12-13 12:38
Alleles
8 Questions
1 of 9
Each chromosome of a homologous pair carries genes for the same _____________ in the same place
Characteristic
2 of 9
Each cell, therefore, has _____ genes for each characteristic
Two
3 of 9
What are alleles?
Alternative forms of the same gene
4 of 9
The DNA in the two chromosomes is therefore not quite ___________
Identical
5 of 9
What does it mean if someone is homozygous?
If both chromosomes in a pair contain the same allele of a gene
6 of 9
What does it mean if someone is heterozygous?
If the chromosomes in a pair contain different alleles of a gene
7 of 9
What is a dominant allele?
An allele which controls the development of a characteristic when it is present on only one of the chromosomes
8 of 9
What is a recessive allele?
An allele which controls the development of characteristics, only if the dominant allele is not present
9 of 9

Other cards in this set

Card 2

Front

Each chromosome of a homologous pair carries genes for the same _____________ in the same place

Back

Characteristic

Card 3

Front

Each cell, therefore, has _____ genes for each characteristic

Back

Preview of the front of card 3

Card 4

Front

What are alleles?

Back

Preview of the front of card 4

Card 5

Front

The DNA in the two chromosomes is therefore not quite ___________

Back

Preview of the front of card 5
View more cards

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