
Biology
Cell: The Unit of Life Solutions
it more difficult to trace
back through generations.
ANALYZE Why might an evolutionary biologist benefit from studying mtDNA rather than
nuclear DNA as evidence for evolution?
a.mtDNA mutates at a slower rate, so there are fewer changes to an organism's DNA
over time.
Ob.mtDNA is inherited from both parents, providing a wider view of inheritance and
possible common ancestry.
O c.mtDNA is only passed on to females, so scientists are able to better focus their
evidence on one sex.
Od.mtDNA is only inherited from the mother, making it easier to trace lines of
descent.
on Miflan Harcourt Publishing Company
Ribosomal RNA
Ribosomes, which manufacture proteins in cells, contain ribosomal RNA (rRNA). When
studying the relationships among slécies over longer time scales, it is best to use a
007 Molecular Evidence.pdf 3 MB
VIEW
lla
E