Pedigree Chart

Question 1

Criteria for Autosomal Dominant

Answer 1

1. trait should not skip generations
2. when affected person mates with unaffected person, about half of offsprings should be affected
3. trait should appear in almost equal numbers among sexes

Question 2

Criteria for Autosomal Recessive

Answer 2

1. trait often skips generations
2. almost equal number of affected males and females occur
3. traits often found in pedigrees with consanguineous matings
4. if both parents affected, all children are affected
5. when unaffected mates with affected, all children are unaffected
6. most affected have unaffected parents

Question 3

Used to study the transmission of hereditary condition

Answer 3

Pedigree Chart

Question 4

Autosomal Chromsomes

Answer 4

1st - 22nd

Question 5

Sex Chromosome

Answer 5

23rd

Question 6

Normal Male symbol

Answer 6

White sqaure

Question 7

Affected Male symbol

Answer 7

Dark square

Question 8

Normal Female symbol

Answer 8

White circle

Question 9

Affected Female symbol

Answer 9

Dark circle

Question 10

Order of children from left to right

Answer 10

Eldest to Youngest

Question 11

Half shaded shapes meaning

Answer 11

Carrier/Heterozygotes

Question 12

What do roman numerals symbolize

Answer 12

Generations

Question 13

Person who is the focus of the pedigree

Answer 13

Proband

Question 14

If X is affected, the disease will automatically manifest

Answer 14

X-linked Dominant