Match the example to the description: descriptions:
1.multiple alleles
2.codominance
3.incomplete dominance
4.polygenic traits
5.environmental factors

examples:
a. two alleles expressed unequally
b. pink flowers
c. black & white cow
d. grey cow
e. many hair colors
f. degrees of height
g. muscle mass
h. blood types
i. two alleles expressed equally
j. varying degrees of alleles
k. musical preference

answer : haversian

[explanation: -(compact bone is organized as parallel columns, known as haversian systems, which run lengthwise down the axis of long bones. these columns are composed of lamellae, concentric rings of bone, surrounding a central channel, or haversian canal, that contains the nerves, blood vessels, and lymphatic system of the bone)]

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some inherited genetic mutations can be good for the offspring, so the answer is different genetic mutations cause many forms of cancer.