Explanation:
Karyotyping is <u>a test to examine chromosomes in a sample of cells</u>. This test can help identify genetic problems as the cause of a disorder or disease.

Answer:
DNA
Explanation:
maybe... BUT PROBABLY YESS
you need to post the map so that people can help you
Answer:
adrenaline may be the answer.
The fossil record gives evidence of extinct species. The fossil record shows that organisms always remain the same. Which best describes how the fossil record is