SELECT ALL THAT APPLY. Chromosomes .

□ are tight coils of DNA
□ are carried on genes
□ always occur in pairs
□ can be analyzed in a karyotype
□ carry thousands of genes

--are tight coils of dna

-always occur in pairs

-can be analyzed in a karyotype

-carry thousands of genes

Explanation:

i think that d. wind is the answer.   i missed the question when i answered a. currents.

it should be briana that has it to me