Sex-Linked

Question 1

Egg or Sperm

Determines the sex of the child

Answer 1

Sperm

Question 2

X or Y chromosome

Has more genes

Answer 2

X

Question 3

Loci are found on both X and Y chromsomes

Answer 3

Pseudoautosomal

Question 4

Loci are found only on the Y chromosome (only in males)

Answer 4

Holandric

Question 5

Females have how many genes for all traits on the 23rd chromosome

Answer 5

2

Question 6

Males have how many genes for all traits on the 23rd chromosome

Answer 6

1

Question 7

Criteria for Sex-Linked Dominant Inheritance

Answer 7

1. trait does not skip generations
2. affected males come from affected mothers
3. half the children of an affected heterozygous female are affected

Question 8

Criteria for X-Linked Dominant Inheritance

Answer 8

1. twice as many females are affected than males
2. half the children of an affected female are affected
3. only and all the daughters of an affected male will be affected

Question 9

Criteria for X-Linked Recessive Inheritance

Answer 9

1. most affected are males
2. all daughters of affected males are carries and all sons will be unaffected
3. affected males come from mothers who are affected or are carriers
4. all sons of affected females are affected
5. half the sons of carrier females are affected

Question 10

Sex-Linked disorders are mostly found in which chromosome

Answer 10

X