1. Through backcrossing some hybrids become almost indistinguishable from pure green peafowl. 2. Backcrossing involves crossing a hybrid and subsequent generations with a recurrent parent.3. Backcrossing and introgression do however occur as shown by mitochondrial DNA analysis.4. This image demonstrates backcrossing of a heterozygous mouse from one genetic background onto another genetic background. 5. The kitten was mated with its mother ( backcrossing ), which produced one more naked kitten. 6. They then try to get the transgene in a C57BL / 6 background by " backcrossing ". 7. In some instances markers for selection are removed by backcrossing with the parent plant prior to commercial release. 8. This backcrossing is then continued until more than 99 % is genetic background and the mutated locus is inherited. 9. In backcross conversion, genes are introgressed from a donor cultivar or related species into a recipient elite line through repeated backcrossing . 10. Half of the pollen will be blue and half brown whereas the kernels will stay blue ( very helpful in backcrossing program ). 
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