11) CIRCLE ALL CORRECT ANSWERS: Human males are hemizygous for
a) Sxl gene b) pseudoautosomal region of the Y c)SRY d) gene for testis determining factor e) Xist gene
12) The X inactivation center codes for
a) gonadal ridges to form ovaries b) gonadal ridges to form testes c) RNA d) testosterone e) protein enhancing transcription of sex linked genes
13) CIRCLE ALL CORRECT ANSWERS: The pseudoautosomal region is found on
a) autosomes in males b) autosomes in females c) X chromosome d) Y chromosome e) both the X and Y chromosome f) could occur in fruit flies
14) Comparing two monozygotic XX twins to two monozygotic XY twins
a) XX are more identical b) XY are more identical c) monozygotic twins do not occur
EXPLAIN YOUR ANSWER:
15) CIRCLE ALL CORRECT ANSWERS: Butterflies and Habrobracon differ in
a) which sex is homogametic b) which sex is monoploid c) one has sex chromosomes and the other does not d) one produces some gametes by mitosis, the other does not
11) CIRCLE ALL CORRECT ANSWERS: Human males are hemizygous for
a) Sxl gene b) pseudoautosomal region of the Y c)SRY d) gene for testis determining factor e) Xist gene
12) The X inactivation center codes for
a) gonadal ridges to form ovaries b) gonadal ridges to form testes c) RNA d) testosterone e) protein enhancing transcription of sex linked genes
13) CIRCLE ALL CORRECT ANSWERS: The pseudoautosomal region is found on
a) autosomes in males b) autosomes in females c) X chromosome d) Y chromosome e) both the X and Y chromosome f) could occur in fruit flies
14) Comparing two monozygotic XX twins to two monozygotic XY twins
a) XX are more identical b) XY are more identical c) monozygotic twins do not occur
EXPLAIN YOUR ANSWER:
15) CIRCLE ALL CORRECT ANSWERS: Butterflies and Habrobracon differ in
a) which sex is homogametic b) which sex is monoploid c) one has sex chromosomes and the other does not d) one produces some gametes by mitosis, the other does not
