Sex Linked Traits

Question 1

chromosome pairs #1-2
do not determine your sex

Answer 1

Autosomes (body)

Question 2

sex-linked trait examples

Answer 2

male patter baldness
color blindness-you mix up red and green
hemophilia

Question 3

chromosome pairs 23

Answer 3

sex chromosomes

Question 4

your blood does not clot & you can lose massive amounts of blood
affected queen Victoria’s family

Answer 4

hemophilia

Question 5

show your 23 pairs of chromosomes

Answer 5

karyotypes

Question 6

why do sex linked genes affect men more then women?

Answer 6

the only have 1 x chromosome

Question 7

have genes that code for certain genetic disorders
some only on x, not y

Answer 7

sex chromosomes

Question 8

to have a sex linked trait a female needs…

Answer 8

father with trait and carrier mother

Question 9

when a gene is found only on x chromosomes

Answer 9

sex Linked trait

Question 10

most genetic disorders are caused by ______ alleles

Answer 10

recessive

Question 11

condition that causes the formation of think mucus in lungs and digestive tract
1 in 20 white Americans are carriers

Answer 11

cystic fibrosis

Question 12

diagram of how genetic disorders are inherited

Answer 12

pedigree

Question 13

disease causes fat to accumulate in central nervous system
lethal
cause by recessive allele
common in Jewish population

Answer 13

tay-sachs disease

Question 14

can pass trait on to children
heterozygous person

Answer 14

carrier

Question 15

body can’t change AA phenylalanine to the AA tyrosine
causes damage to central nervous system
can cause mental retardation in an infant

Answer 15

phenylketonuria (PKU)

Question 16

genetic phenomenon, one gene modifies phenotypic expression of another

Answer 16

epistasis

Question 17

traits inherited on copy

Answer 17

autosomal dominat

Question 18

breakdown of brain cells
doesn’t occur untill 30-50
only need to inherit 1 dominate allele

Answer 18

huntington’s disese