6. In canaries, the gene for singing is dominant over the gene for nonsinging. When hybrid singing
canaries are mated with nonsinging canaries, what percentage of the offspring is likely to possess the
singing trait? What would be the genotype of these singing birds?

50%

Explanation: If one parent had the nonsinging gene, and the other parent had the singing gene, there would be a 50% chance that the child could sing and can’t sing.

D. form as the result of compaction and cementation.

Explanation:

A. B. and C. are correct therefore leaving D as your answer.

All minerals are unique, all minerals form naturally, and have chemical compositions.

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