Which of the following is a method that geneticist use to determine if an individual has chromosome abnormalities

What do scientists need to look at before developing an argument

Ascientist discovers a new body between the orbit of neptune and the kuiper belt. the object is round and travels in an orbit around neptune with other space objects. the scientist claims that she has found a new dwarf planet. where is the scientist’s error?

Explain how organisms could be harmed by high levels of salt from roadways?