Which statements are true about sex chromosomes? Select all that apply.

1.All animals have the same sex chromosome system.
2.All cells carry both of the sex chromosomes.
3.They are not numbered in a karyotype.
4.They determine the sex of an organism.

3. they are not numbered in a karyotype

Explanation:

they are not listed by number they are listed by size

there are 35 white marbles

step-by-step explanation:

y- yellow marbles

4y + 5 = 45

subtract 5 from both sides

4y = 40

divide for from both sides

y = 10

plug in 10 to get 40 yellow marbles then subtract by 5 to get 35 marbles

thus there are only 10 yellow marbles