Biology, 30.01.2020 04:03 ashley110608
scientists are using dna fingerprinting to identify the bodies of those killed in the 9/11 tragedy. most on-site evidence is in the form of bones or teeth. yet the evidence supplied by the victims' families may include hair or tooth brushes.
how are scientists able to compare dna from bones or teeth to that found in hairs on a hairbrush?
a) they cannot and this is making body identification very difficult.
b) each sample provides an exact karyotype for genetic identification.
c) dna is the same in every cell of the body and does not change over time.
eliminate
d) the dna is close enough from both sources to infer the victim's identity.
Answers: 3
Biology, 21.06.2019 22:30
How do tides affect the organisms living in intertidal zones? a. no organisms live in intertidal zones due to the tumultuous environment. b. the mechanical forces of the waves keeps the organisms clean. c. only plants live in intertidal zones because the animals float away with the waves and never return. d. the mechanical forces of the waves can dislodge the organisms from their habitat.
Answers: 2
Biology, 22.06.2019 02:30
In the diagram below, the northern hemisphere would be in what season at position a a.fall b. winter c.summer d.spring
Answers: 1
scientists are using dna fingerprinting to identify the bodies of those killed in the 9/11 tragedy....
Computers and Technology, 18.12.2019 18:31
English, 18.12.2019 18:31