Posts Tagged ‘Descent of Man’

Neanderthal, Discovery Erodes Differences

Charles Darwin never mentions the 1856 fossil discovery in the Neander Valley limestone quarry located in Germany in The Origin of Species in 1859 nor in any of the six subsequent editions. Even in The Descent of Man, Darwin did not endorse the Neanderthals as a potential ancestral transitional link to humans.

In fact, the discovery was a problem since the Neanderthal skulls are larger than human skulls. Darwin had argued that the advancement of evolution proceeded through “slight, successive changes”.

The Neanderthal fossils created a dilemma for Darwin, how could a larger brain precede a smaller brain? Darwin cautiously noted, that “it must be admitted that some skulls of very high antiquity, such as the famous one of Neanderthal, are well developed and capacious [large]”. For Darwin, the Neanderthal skulls were too large to have preceded humans. Continue Reading

Darwin Waged Against Bradlaugh, the Planned Parenthood Forerunner

Although the Planned Parenthood was not established as an organization until 1916 when Margaret Sanger opened the first clinic in the U.S. in Brooklyn, New York, even Charles Darwin would have expressed outrage over their birth control methods.

Amazingly, birth control was a hot topic during the elections of 1868 in England. Segments of Victorian liberalism lead by Charles Bradlaugh, one of the most famous atheists of the nineteenth century, drove his election campaign in Northhampton on the platform of electoral reform and birth control.

As founder of the National Secular Society established in 1866, Bradlaugh promoted birth control as a means to rescue English working people from poverty. The National Secular Society represented a radical segment liberalism. Poverty was considered the result of over-population based on Thomas Malthus principle of economics. Branded as vicious obscenity, methods for birth control were promoted in his sixpenny pamphlet entitled The Fruits of Philosophy. Continue Reading

Chimp Genetics Radically Different

In a letter to Sir Joseph Dalton Hooker, his closet friend in 1857, Charles Darwin confided,

I cannot swallow Man [being that] distinct from a Chimpanzee.

Charles Darwin writes in his Autobiography,

My Descent of Man was published in Feb. 1871. As soon as I had become, in the year 1837 or 1838, convinced that species were mutable products, I could not avoid the belief that man must come under the same law

The chimp, since the nineteenth century, has been the poster-child missing link to humans. In twenty-first century terms, the mammalian Y chromosomes were expected to be similar, as speculated by Darwin. However, new evidence demonstrates Darwin’s speculation to be wrong—the chimp Y chromosome differs radically from humans.

The British journal Nature published a paper in January 2010 titled, “Chimpanzee and Human Y Chromosomes are Remarkably Divergent in Structure and Gene Content,” found that Y chromosomes in the chimp and humans “differ radically in sequence structure and gene content”. In fact,

More than 30% of the chimp Y chromosome lacks an alignable counterpart on the human Y chromosome

Jennifer F. Hughes led the research team at the Whitehead Institute for Biomedical Research, one of the world’s leading centers for genomic research, is located in Cambridge, Massachusetts. The research team concluded –

By comparing the MSYs of the two species we show that they differ radically in sequence structure and gene content

“By conducting the first comprehensive interspecies comparison of Y chromosomes,” ScienceDaily noted, “Whitehead Institute researchers have found considerable differences in the genetic sequences of the human and chimpanzee Ys… The results overturned the expectation that the chimp and human Y chromosomes would be highly similar. Instead, they differ remarkably in their structure and gene content.”

The original chimp genome sequencing completed in 2005 largely excluded the Y chromosome because its hundreds of repetitive sections had typically confound standard sequencing techniques. The chimp Y chromosome is only the second Y chromosome to be comprehensively sequenced.

 Wes Warren, Assistant Director of the Washington University Genome Center, noted

These findings demonstrate that our knowledge of the Y chromosome is still advancing.

Earlier comparative studies between the chimp and human genome had centered on DNA regions that only result in the production of proteins. In addition, not only is the chimp DNA 12% larger than human DNA, the Chimp has 23 chromosomes while humans have only 22 (excluding sex chromosomes in both species).

While the researchers advance the concept that “divergence” from the Chimp occurred 6 million years ago, the more logical explanation is that the chimp is simply a distinct species.

The research was funded by the National Institutes of Health (NIH) and the Howard Hughes Medical Institute (HHMI)

Darwin, DNA, and the Neanderthals

 

Just three years before the publication of The Origin of Species, in 1856, the first Neanderthal fossils were discovered in the Neander Valley limestone quarry located in Germany.  

In The Descent of Man, however, Darwin argued against the concept that the Neanderthals were the ancestors to humans based on the larger size of the Neanderthal skull.

“Nevertheless,” Darwin noted, “it must be admitted that some skulls of very high antiquity, such as the famous one of Neanderthal, are well developed and capacious”—the skull was too large to be a human ancestor.

Darwin was right. The journal Science on May 7, 2010, published an article entitled “A Draft Sequence of the Neandertal Genome,” confirming Darwin’s position that the Neanderthal could not be an ancestor to humans. According to Gregory Hannon of Cold Spring Harbor Laboratory in Laurel Hollow, N.Y., the “publication of the full Neandertal genome is a watershed event, a major historical achievement.” 

Svante Pääbo of the Department of Evolutionary Genetics at the Max-Planck Institute for Evolutionary Anthropology in Germany led the study team. “[Neanderthals] are not totally extinct,” Pääbo said. “In some of us they live on, a little bit.”

John Hawks, assistant professor of anthropology at the University of Wisconsin, told BBC News: “They’re us. We’re them.”

“[T]he really surprising thing for many of us,” noted Professor Chris Stringer, research leader in human origins at London’s Natural History Museum, “is the implication that there has been some interbreeding between Neanderthals and modern humans in the past.”

This interbreeding finding is a monumental discovery since interbreeding is a defining factor for defining a species. Our current modern definition of species was developed by Ernst Mayr—Darwin’s Bulldog of the twentieth century.

In the 1942 book entitled Systematics and the Origin of Species, Ernst Mayr established the Biological Species Concept (BSC): species consist of populations of organisms that can reproduce with one another and are reproductively isolated from other such populations. Since humans and Neanderthals are now known to be isolated reproductive populations, they represent a single species—”They’re us. We’re them.”

Sequencing of the Neanderthal genome is a landmark scientific achievement. The sequencing is a culmination of a four-year investigation led from Germany’s Max Planck Institute.

Use of efficient “high-throughput” technology allowed the numerous DNA sequences to be processed at the same time from the bones of three different Neanderthals found at Vindija Cave in Croatia.

A major obstacle overcome in the study was the retrieval of quality DNA material from remains Neanderthal DNA contaminated with vast quantities of bacterial and fungal DNA. Even, the Neanderthal DNA had broken down into very short segments and had changed chemically. Since the contamination, breaks, and chemical changes were thought to be of a predictable nature, the researchers developed a software program to estimate the original DNA sequence of the Neanderthal genes.

The DNA evidence from the Neanderthal clearly aligns with the biblical account—the Neanderthals are human, descendants of Adam and Eve. Worldwide dispersion after Babel followed by environmental pressures afterward resulted in people groups with different physical characteristics, including humans with “Neanderthal” Characteristics.

Cellular biologist, David DeWitt, noted that the research was an “amazing feat” of science that continues to demonstrate the validity of the biblical record. “Finding Neanderthal DNA in humans was not expected by evolutionists, but it was predicted from a creation standpoint because we have said all along that Neanderthals were fully human: descendants of Adam and Eve just like us”.

Vestiges: Evidence for Evolution? Part VI

 

The “vestige” status of the appendix originated with Charles Darwin in The Descent of Man (1871). In Chapter 1, Darwin writes -

“With respect to the alimentary canal I have met with an account of only a single rudiment [vestige], namely the vermiform appendage of the caecum… It appears as if, in consequence of changed diet or habits [disuse], the caecum had become much shortened in various animals, the vermiform appendage being left as a rudiment of the shortened part… Not only is it useless, but it is sometimes the cause of death”

Darwin’s concept of the appendix continued unchallenged until late in the twenteth century when clinical research began to demonstrate that not only does the appendix function to balance the bacteria in the gastrointestinal tract, the appendix plays an important immunological function. 

Loren G. Martin, professor of physiology at Oklahoma State University, stated in Scientific America -

“Among adult humans, the appendix is now thought to be involved primarily in immune functions. Lymphoid tissue begins to accumulate in the appendix shortly after birth and reaches a peak between the second and third decades of life, decreasing rapidly thereafter and practically disappearing after the age of 60. During the early years of development, however, the appendix has been shown to function as a lymphoid organ, assisting with the maturation of B lymphocytes (one variety of white blood cell) and in the production of the class of antibodies known as immunoglobulin A (IgA) antibodies. Researchers have also shown that the appendix is involved in the production of molecules that help to direct the movement of lymphocytes to various other locations in the body.”

Martin continues noting, “the function of the appendix appears to be to expose white blood cells to the wide variety of antigens, or foreign substances, present in the gastrointestinal tract. Thus, the appendix probably helps to suppress potentially destructive humoral (blood- and lymph-borne) antibody responses while promoting local immunity. The appendix–like the tiny structures called Peyer’s patches in other areas of the gastrointestinal tract–takes up antigens from the contents of the intestines and reacts to these contents. This local immune system plays a vital role in the physiological immune response and in the control of food, drug, microbial or viral antigens.”

Jerry Coyne (2009), professor at the University of Chicago, writes in his new book, Why Evolution is True that, “We humans have many vestigial features proving that we evolved. The most popular is the appendix.” Coyne claims that: “our appendix is simply the remnant of an organ that was critically important to our leaf-eating ancestors, but is of no real value to use.”

Classifying the appendix as “no real value” exemplifies how evolution adherents persist to be woodwinked by ideology. Mounting scientific evidence continues to demonstrate why evolution is NOT true.



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