Una rana tiene 13 cromosomas en sus células sexuales, ¿Cuántos cromosomas hay en sus células somáticas?

i tried the eyeshadow trick you told me about and it worked so good i i did a yellow going into orange colors and it was bright and you could see it on my eyes

try using substitution:

x + y - 6 = x - y. (i'm not giving you the exact answer). since 0 = x - y, then sub 0 in the equation with x - y. combine your like terms, and then use inverse operations, and you'll have your answer.

: -)

hammurabi rulers

good lesson