chapter 5

Question 1

Sex determination genes for humans

Answer 1

XX= female
XY= males

Question 2

Sex determination genes for birds

Answer 2

ZW= female, ZZ = male

Question 3

sex determination genes for flies

Answer 3

X: autsome
1x:2a= male
2X:2a= female

Question 4

how does sex determination work

Answer 4

SRY gene present = production of testes= AMF or Testoretone. of sry absent = production of ovaries

Question 5

What is intersexuality

Answer 5

combo of both female and male characteristics by CAIS

Question 6

what is CAIS

Answer 6

ind. is XY but has female charactersitics

Question 7

X linked reccesivemeans

Answer 7

afacted fathers dont pass to son, daughters are carries. pass to sons 50%

Question 8

X linked dominant means

Answer 8

affacted fathers dont pass to sons, all daughter are affacted and pass to both sons and daughter

Question 9

Y linked is

Answer 9

only in males

Question 10

sex linites means

Answer 10

only in one sex

Question 11

sex influenced means

Answer 11

both sexes but change to horomones

Question 12

Mutations that can occur if sry gene is missing or absent

Answer 12

XY turn female

Question 13

SRY gene translocated onto X

Answer 13

XX can be male

Question 14

autosomal reccesive vs dominant

Answer 14

skips gens. all sexes, all gens all sexes.

Question 15

what is hetergoenic, homo, and hemizygous

Answer 15

2 diff gametes. XY. one gamate. XX, and one copy= X linked