Chromosomes are made up of two identical sister. chloroplasts

nuclei

chromatids

gens

Answer and I will give you brainiliest

Select the correct answer.which scenario describes unethical lab behavior? o a. danny stores the chemicals required for his experiment in flasks and beakers.b.anna publishes the results of her experiment on the growth rate of saplings.c.jason repeatedly runs an experiment until he gets the results he desires.d. mia records her observations of an experiment precisely and accurately.

Which of the following is an effect of the uneven heating of the earth by the sun? a sea breeze a land breeze a convection current all of the above

Adistinctive characteristic of mammals that is not observed in other vertebrates is