Which bases are always opposite of one another or bonded in DNA

You can tell from this karyotype that the individual is female because the karyotype has two chromosomes labeled

The science for classifying and naming organisms is known as

Blood stem cells may develop into any kind of human blood cells. what kind of stem cells are blood stem cells? a. multipotent stem cells o b. totipotent stem cells o c. pluripotent stem cells o d. unipotent stem cells