Which of the following chromosome pairings would a normal female duck have? XY
XX
ZW
O ZZ

What does the positioning of transcription factors determine?

Why is earth's outer core hotter than earth’s oceanic crust? earth’s oceanic crust is denser than earth’s outer core is. earth’s oceanic crust has lava flowing from the mantle. earth’s outer core has a composition of solid iron and nickel. earth’s outer core is deeper within earth than oceanic crust is.

Adoença vitiligo afeta qual doença do corpo?