The fact that Hoxconservedvariably expressive completely penetrantimprinted genes of very similar sequence and phenotypic effect are found in bacteria, flowering plants, insects, birds, amphibians, and mammals indicates that these genes are
The fact that Hoxconservedvariably expressive completely penetrantimprinted
genes of very similar sequence and phenotypic effect are found in bacteria, flowering plants, insects, birds, amphibians, and mammals indicates that these genes are
- epigenetic
The relatively high percentage of individuals in parts of Africa who are heterozygous for the sickle cell trait is an example of ______________
- genetic drift
- natural selection
- founder effect
- natural selection and heterozygote advantage
- heterozygote advantage
Prader-Willi and Angelman syndromes both arise from genetic deletions in the same general area of chromosome 15. This area of chromosome 15 has genes that are expressed differently depending on whether they are maternally or paternally inherited. These syndromes illustrate
- non-disjunction.
- epistasis.
- codominance.
- X inactivation.
- genomic imprinting
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