17.6 sex- linkage

Question 1

sex- linkage definition

Answer 1

any gene that is carried on either the X or Y chromosome

Question 2

why do recessive alleles on X appear more often in males?

Answer 2

• X chromosome is much longer than the Y chromosome

- means no equivalent homologous portion of the Y

Question 3

which sex chromosomes do females have?

Answer 3

XX

Question 4

which sex chromosomes do males have?

Answer 4

XY