Questions for Years since Separation: 1) When genetic researchers compare the DNA of Northern Asian population versus Native American populations, they find a 0.07% difference. The “Mitochondrial Clock” formula tells us that there has been about _____________ years since the separation of these two groups. 2) When comparing the DNA of Northern Asians and European populations, they discovered a 0.1% difference. The “Mitochondrial Clock” formula tells us that there has been about ______________ years since the separation of these two groups. 3) When comparing the DNA of Indonesian peoples to either the European group or the Northern Asians, they find a 0.12% difference. The Mitochondrial Clock formula tells us that there has been about _____________ years since the separation of these two groups. 4) When researchers compare the DNA of African populations to any other group they find a 0.2% difference. The Mitochondrial Clock formula tells us that there has been about __________________ years since the separation of Africans from other groups.
Genetic Variation
Genetic variation refers to the variation in the genome sequences between individual organisms of a species. Individual differences or population differences can both be referred to as genetic variations. It is primarily caused by mutation, but other factors such as genetic drift and sexual reproduction also play a major role.
Quantitative Genetics
Quantitative genetics is the part of genetics that deals with the continuous trait, where the expression of various genes influences the phenotypes. Thus genes are expressed together to produce a trait with continuous variability. This is unlike the classical traits or qualitative traits, where each trait is controlled by the expression of a single or very few genes to produce a discontinuous variation.
Questions for Years since Separation:
1) When genetic researchers compare the DNA of Northern Asian population versus Native
American populations, they find a 0.07% difference. The “Mitochondrial Clock” formula tells us
that there has been about _____________ years since the separation of these two groups.
2) When comparing the DNA of Northern Asians and European populations, they discovered a
0.1% difference. The “Mitochondrial Clock” formula tells us that there has been about
______________ years since the separation of these two groups.
3) When comparing the DNA of Indonesian peoples to either the European group or the Northern
Asians, they find a 0.12% difference. The Mitochondrial Clock formula tells us that there has
been about _____________ years since the separation of these two groups.
4) When researchers compare the DNA of African populations to any other group they find a 0.2%
difference. The Mitochondrial Clock formula tells us that there has been about
__________________ years since the separation of Africans from other groups.
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