a) After performing a reciprocal cross with a white-eyed female and a red-eyed male on a fruit fluy and then mate the F1 offspring to create an F2 generation: How did the results of the reciprocal cross differ from the first cross? b)To test whether the tan body trait (T) is sex-linked on a fruit fly: Describe anexperimental design and analysis. Is T a sex-linked trait?
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.
a) After performing a reciprocal cross with a white-eyed female and a red-eyed male on a fruit fluy and then mate the F1 offspring to create an F2 generation:
| How did the results of the reciprocal cross differ from the first cross? |
b)To test whether the tan body trait (T) is sex-linked on a fruit fly:
| Describe anexperimental design and analysis. Is T a sex-linked trait? |
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