Which of the following chemical moieties is not found in DNA? A. Phosphate group B. Deoxyribose sugar C. Multifactorial inheritance D. Purines E. Amine bonds
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.
1A. Which of the following chemical moieties is not found in DNA?
A. Phosphate group
B. Deoxyribose sugar
C. Multifactorial inheritance
D. Purines
E.
1B.
A forest fire destroys a large swath of forest habitat, effectively isolating a small population of red-nosed rabbits within an area that escaped destruction. The remaining population will be prone to:
A. Gene flow
B. Natural selection
C. Genetic drift
D. Stabilizing selection
E. Directional selection
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