Neandertal DNA and Modern Humans
Daniel Criswell
The variation of mitochondrial DNA (mtDNA) between modern
humans and Neandertal sequences lie outside the mtDNA sequence variation
within modern humans. This variation has led several researchers to
conclude that Neandertals did not contribute to modern human DNA and
are a separate species that went extinct in Europe. It is feasible that
DNA can be retrieved from specimens that died thousands of years ago,
given the ideal preservation conditions and extraction protocols. However,
DNA also decays as the organism decomposes. Spontaneous hydrolysis,
oxidation, and nucleotide modifications are a few of the processes that
cause DNA decay and likely interfere with reliably obtaining a mtDNA
sequence that accurately reflects the Neandertal mtDNA sequence.
In addition to DNA decay, contamination of samples is
also apparent in published Neandertal mtDNA sequences. A comparison
of conserved sequence block 2 (CSB2) in hypervariable region II (HVRII)
between Neandertal mtDNA and modern man, primates, and other mammals
indicate that excess thymine in CSB2 of published Neandertal mtDNA is
likely the result of contamination.
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Evidence for the Lack of Snake Evolution
Jerry Bergman
The fossil record of snakes, when reviewed, shows no
evidence for the origin of snakes by neo-Darwinian evolution. The
most common evolutionary theory is that modern snakes developed from
four-legged reptiles that lost their legs. As evidence for this theory,
evolutionists point to snake spurs and putative vestigial leg structures
that exist on some modern snakes. These spurs and other structures
are not evidence of legged ancestors, but rather are functional organs
that have an important role in mating. It is also shown that evolution
from tetrapod to snake would require major anatomical changes in the
skeleton and the body organs as well as the production of several
new organ systems, such as the sensory system.
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Article:
[PDF]
Mutation And Natural Selection:
The Central Dogma of Neo-Darwinian Evolution
Per A. Larssen
The central dogma of neo-Darwinism is: Mutations provide
variety that is selected by natural selection. Mutations and natural
selection
are ultimately the only driving force of evolution, but they are effective
only if one or more mutations prove beneficial to an organism in a
given environment. In evolution, natural selection can do nothing
without mutations. Since macromutations are virtually all near-neutral
or harmful, micromutations are the only means by which new species
could possibly evolve. The probability that micromutations will lead
to new species is so low as to be close to zero. One reason is the
net deterioration of the genome that occurs as a result of mutations,
especially near-neutral mutations, which selection and medical advances
cannot counteract. Furthermore, nonrandom “mutations”
are controlled by in-built cellular processes and, therefore, cannot
be a cause of evolution. A large number of studies clearly show that
the central dogma has failed, and this devastates the credibility
of neo-Darwinism. Furthermore, the increasing knowledge of the immense
complexity of life at the molecular level has buttressed both the
Creation and Intelligent Design movements.
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Article:
[PDF]
Lysenkoism
The Tragedy of Government-Enforced Darwinism
The Effect of Darwin on Soviet Communism
Jerry Bergman
The story of the Russian scientist Lysenko is a tragic
example of what can happen when the science establishment and the government
uncritically support Darwinism and oppose competing theories of origins.
The enforcement of Darwin’s ideology by government and organized
science had disastrous effects on Russian agriculture, which led to
major repercussions to the Russian economy, contributing to the Soviet
famines that killed multimillions of people. Only when the tragedy became
all too evident did the public and academia rise up to resist the Lysenko-Darwin
orthodoxy and work to correct the harm that it caused in the Soviet
Union. This incident is an important lesson for current governments
that support neo-Darwinism and persecute Darwin dissenters.
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Article: [PDF]