All of the following happen during meiosis I, except a. crossing over between homologous chromosomes
Ob. sister chromatids are separated
c. random alignment of homologous chromosomes at middle of cell
d. homologous chromosomes are separated

Agroup of students are walking in the park, and one of them takes a picture of a pollen grain that is being blown by the wind.what caption can the student use for this picture? fahrte "littl1111111nimmt-hhhfull film# # #gene mutation in actiongene flow at workgenetic drift as it happensnatural selection in progresshii

What were the main components of earth’s earliest atmosphere? oxygen and ammonia hydrogen and helium oxygen and nitrogen hydrogen and nitrogen

What are the responsibilities of the region of the brain highlighted below? =+= will rate brainiest =+=