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What unifying theme brought the work of Mendel and Darwin together in the in the big picture of biology?
The discovery of DNA as the genetic material was the unified theme.
What was Friedrich Miescher's contribution to the discovery of the genetic code?
Friedrich Miescher is credited with the discovery of nucleic acids, specifically DNA, in 1869. While studying white blood cells, he isolated a substance he called "nuclein," which contained phosphorus and was distinct from proteins. Miescher's work laid the foundation for later research that would reveal the role of DNA in heredity and the genetic code, although he did not directly define the genetic code itself. His identification of DNA as a separate entity was crucial for the subsequent understanding of genetics.
What is one discovery discovered in the past several years?
The discovery of the gene-editing tool CRISPR/Cas9 has revolutionized genetic research by allowing precise modifications to DNA. This technology has the potential to treat genetic disorders, improve crop yields, and create new therapies for various diseases.
What is the genetic contribution to the development of the most common forms of atherosclerosis?
The genetic contribution to atherosclerosis involves multiple genes that influence lipid metabolism, inflammation, and vascular function. Variants in genes such as APOE, LDLR, and PCSK9 can affect cholesterol levels and susceptibility to plaque formation. Additionally, polygenic risk scores have been developed to assess the cumulative effect of numerous genetic variants on an individual's risk for atherosclerosis. Environmental factors and lifestyle choices also interact with these genetic predispositions, influencing the overall development of the disease.
Did Mendel make a major contribution to the cell theory?
Yes. Gregor Mendels 3 Principals of Inheritance show the transmission of genetic traits.
What unifying theme brought the work of Mendel and Darwin together in the in the big picture of biology?
The discovery of DNA as the genetic material was the unified theme.
What was Friedrich Miescher's contribution to the discovery of the genetic code?
Friedrich Miescher is credited with the discovery of nucleic acids, specifically DNA, in 1869. While studying white blood cells, he isolated a substance he called "nuclein," which contained phosphorus and was distinct from proteins. Miescher's work laid the foundation for later research that would reveal the role of DNA in heredity and the genetic code, although he did not directly define the genetic code itself. His identification of DNA as a separate entity was crucial for the subsequent understanding of genetics.
What was James Watson's genetic theory contribution?
James Watson, along with Francis Crick and Rosalind Franklin, discovered the double helical structure of DNA. This breakthrough laid the foundation for understanding how genetic information is stored and passed on in living organisms. This discovery revolutionized the field of genetics and earned them the Nobel Prize in Physiology or Medicine in 1962.
How is the equal genetic contribution of male and female parents ensured in the progeny?
The equal genetic contribution of male and female parents is ensured through the process of meiosis, where each parent's gametes (sperm and egg) only contribute half of their genetic material to the offspring. During fertilization, one sperm fuses with one egg, combining their genetic material to create a zygote with an equal genetic contribution from both parents.
In the 1950s what discovery revolutionized biotechnology?
The discovery of the structure of DNA by Watson and Crick in the 1950s revolutionized biotechnology. This breakthrough laid the foundation for understanding how genetic information is stored and passed on, leading to advancements in genetic engineering and biotechnology.
What discovery in the 1900s suported Mendel's ideas?
The discovery of the structure of DNA in the 1950s supported Mendel's ideas by providing a physical basis for the transmission of genetic information from one generation to the next. This discovery helped to explain how traits are inherited and how genetic information is passed down in a predictable manner, in line with Mendel's principles of heredity.
What is the narrow sense heritability equation and how is it used to quantify the genetic contribution to a specific trait in a population?
The narrow sense heritability equation is a statistical formula used to estimate the proportion of variation in a trait that is due to genetic factors. It is calculated by dividing the additive genetic variance by the total phenotypic variance. This equation helps quantify the genetic contribution to a specific trait in a population by providing a numerical value that represents the extent to which genetic factors influence the trait compared to environmental factors.
What was the scientific contribution of James Watson to the discovery of the structure of DNA?
James Watson, along with Francis Crick, proposed the double helix structure of DNA in 1953, based on the X-ray diffraction data of Rosalind Franklin. This discovery revolutionized the field of genetics and laid the foundation for our current understanding of genetic information transfer. Watson and Crick received the Nobel Prize in Physiology or Medicine in 1962 for their groundbreaking work.
What question did the discovery of the replication mechanism of DNA answer?
The discovery of the replication mechanism of DNA answered how genetic information is faithfully copied from one generation to the next. It explained how new cells are able to receive an identical set of genetic instructions, allowing for growth, development, and the passing of traits from parent to offspring.
What discovery the 1900s supported Mendel's ideas?
Chromosomes
Second great discovery of getics?
The second major discovery in genetics was the structure of DNA by James Watson and Francis Crick in 1953. They determined that DNA has a double helix structure, which is essential for storing and transmitting genetic information. This discovery laid the foundation for our understanding of how genetic material is duplicated and passed on from one generation to the next.
What is one discovery discovered in the past several years?
The discovery of the gene-editing tool CRISPR/Cas9 has revolutionized genetic research by allowing precise modifications to DNA. This technology has the potential to treat genetic disorders, improve crop yields, and create new therapies for various diseases.
