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What is heritability coefficient?

total variation in the phenotye (IQ, introvert) that can attribute to genetic rather thatn environmental variation in the population, it is ALWAYS about groups NEVER about specific individual like Me or YOU :-)


Why do some black individuals have fuller lips compared to other racial groups?

Some black individuals have fuller lips compared to other racial groups due to genetic factors that influence the shape and size of their lips. This trait is more common in people of African descent and is a natural variation in human physical characteristics.


What is the definition for Genetic Relatedness?

Genetic relatedness is a measure of the similarity of genetic material between two individuals or groups. It is used to determine the degree of genetic similarity and common ancestry between them.


What is the type of variation that is seen when looking at the height of a population?

The height of a population would be an example of a continuously variable characteristic. This applies only if a consistent sample, such as a large number of people of a particular age and sex, is considered.


In which area are the most genetically diverse populations of humans found?

The most genetically diverse populations of humans are typically found in Africa, specifically in regions with long histories of human habitation and diverse ethnic groups. This high genetic diversity is a result of Africa being the birthplace of the human species and the accumulation of genetic variation over thousands of years.


What prevents speciation from occurring in sympatric populations?

Gene flow between populations can hinder the development of genetic differences necessary for speciation. Additionally, strong environmental pressures favoring specific traits in a population can limit genetic variation and prevent the emergence of distinct species. Lastly, hybridization between different groups can also counteract speciation in sympatric populations.


Which groups of organism use a genetic code to make proteins?

All of them!


Why horse skin colour is discontinuous variation?

Horse skin color exhibits discontinuous variation because it is influenced by specific genetic factors that produce distinct phenotypes, such as bay, chestnut, or black. Unlike traits that show continuous variation, such as height, horse colors do not blend gradually but instead appear as separate categories. This is due to the presence of dominant and recessive alleles that determine these color traits, leading to clearly defined groups rather than a smooth gradient of colors.


What evidence is there to support the theory that human life came from Africa?

Genetic. The further from Africa the more the genetics have diverged, but within Africa most groups have little variation in their genetics. Using this divergence data a tree can be plotted showing when the different peoples of the world left Africa.


What is relationship between blood groups and genetic drift?

Genetic drift can influence the frequency of blood group alleles in a population over time through random fluctuations in allele frequencies. If a particular blood group allele becomes more or less common due to genetic drift, it can impact the distribution of blood groups within that population.


What are the types of evidence of common ancestry among groups?

Types of evidence for common ancestry among groups include comparative anatomy, embryology, genetics, and the fossil record. These sources provide insights into shared traits, developmental similarities, genetic relationships, and transitional forms, supporting the concept of organisms evolving from a common ancestor.


What happens after meiosis to introduce even more genetic variation in sexualy reproducing organisms?

Genetic variation is increased by meiosis Because of recombination and independent assortment in meiosis, each gamete contains a different set of DNA. This produces a unique combination of genes in the resulting zygote. Recombination or crossing over occurs during prophase