Heredity Flashcards
1
Q
How can you tell the difference between a dominant and a recessive gene?
A
The dominate gene is letters are in capitals.
2
Q
What are alleles?
A
The genes of a corresponding pair.
3
Q
What is heterozygotes?
A
Two different alleles for a particular gene.
4
Q
What is homozygous?
A
Two of the same alleles whether dominant or recessive.
5
Q
What is a genotype?
A
The genetic constitution of an organism.
6
Q
What is a 4(2) generation?
A
The offspring of heterozygotes.
7
Q
What is phenotype?
A
The viable or physiological characteristics of an organism.
8
Q
How many x chromosomes do females have?
A
2
9
Q
How many x and y chromosomes do males have?
A
1 x and 1 y.
10
Q
What is the ratio for successive mating of the heterozygotes?
A
3:1
11
Q
What is a punnett square?
A
A way of working out the possible combination of genes.
