1. The alternate form of a gene is A. Alternate type B. Recessive character C Dominant character D. Allele 2. DNA was extracted from cells of Staphylococcus and found to have 37% cytosine. What percent of guanine does this species have? A. 37% B. 13% C. 74% D. 26% 3. Nucleotide is the building block of DNA a. True b. False
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.
5. The branch of genetics that studies the
species is called
A Population genetics
B. Molecular genetics
C Classical genetics
D. Cytogenetics
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