Ploidy

No. of X chromosome

No. of Autosomal sets

Sex index (X/A)

Sex expression

2n

3

2

3/2

Meta female

3n

4

3

4/3

Triploid metafemale

4n

4

4

4/4

Tetraploid female

2n

2

2

2/2

Female

3n

3

3

3/3

Triploid female

4n

3

4

¾

Tetraploid intersex

2n

1

2

½

Male

4n

2

4

2/4

Tetraploid male

3n

1

3

1/3

Triploid meta male