Sex Linked Traits Flashcards
0
Q
What is an auto some
A
The first 22 homologous pairs of chromosome
They are the same for males and females
1
Q
What is a karyotype
A
A picture of chromosomes
2
Q
What are sex chromosomes
A
Determines the sex of the individual
3
Q
Who determines the sex of the child and why
A
The dad because when moms egg cells are made they will all carry a single X chromosome
When sperm is made half will have an X chromosome and half will have the Y chromosome
4
Q
What are sex linked traits
A
Those traits that are controlled by genes on the X and Y chromosome
The Y chromosome is smaller than the X chromosome and only contains a few genes
5
Q
Why are sex linked traits more common in males than in females
A
Males only have to inherit one recessive allele and women have to inherit two
