PoB Week2 Questions

A diploid horse cell contains 64 chromosomes.

How many different types of gametes?

64

2 x 64 = 128

32 squared = 1024

2 to the 32nd power = 4.3 billion

2 to the 64th power = 10^19

2 to the 32nd power = 4.3 billion

=> 2 to the power of (pairs of chromosomes)

mitotic chromosome

Probable chromosomal sex determination system:

X0 males, XX females

XY males, XX females

ZZ males, Z0 females

ZZ males, ZW females

V males, U females, UV diploids

XY => single weird

Other:

X0 haploid

Probable chromosomal sex determination system:

Response recorded

X0 males, XX females

XY males, XX females

ZZ males, Z0 females

ZZ males, ZW females

V males, U females, UV diploids

XY males, XX females

Which children will be affected

This poll is locked.

none

1/4 independent of sex

1/2 of the sons

1/2 of the daughters

1/2 independent of sex

1/2 of the sons

The pedigree is consistent with what mode of Mendelian inheritance?

Autosomal recessive

Autosomal dominant

X-linked recessive

X-linked dominant

All of these

Autosomal recessive

unc worm

100-2%/2=49%