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In a species of lizard you can see two main phenotypes, brown and green, recently
there have been sightings of a brown lizard with green spots running around! If this
truly is the case what can you infer from this data?
A. the lizards are exhibiting codominance
B. the lizards are exhibiting multiple alleles
C. the lizards are exhibiting incomplete dominance
D. the lizards are normal


Sagot :

Answer: the lizards are exhibiting codominance

Explanation: I just took the test and it was correct.

In the lizards that are brown with green spots, co-dominance is being exhibited.

Genes often occur in pairs called alleles. One gene is usually expressed anytime it is present and it is called the dominant gene. The other is not expressed in the presence of the dominant gene and it is called the recessive gene.

However, when two genes are expressed together such as in the case of the brown lizard with green spots, this is a case of  co-dominance.

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