Question

what are sister chromatids? they are the the chromosomes that can only be inherited from a female. they are two chromosomes that are similar but not identical. they are identical copies of a chromosome, connected by centromere. they are two different chromosomes from separate species.

Explanation:

Sister chromatids are produced during DNA replication. They are identical copies of a single - replicated chromosome and are joined at the centromere.

Answer:

They are identical copies of a chromosome, connected by centromere.