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Rzqust [24]
4 years ago
9

In a particular species of mammal, black hair (B) is dominant to green hair (b), and red eyes (R) are dominant to white eyes (r)

. When a BbRr individual was mated with a bbrr individual, the observed distribution of offspring was as follows: black-red 1,070; black-white 177; green-red 180; green-white 1,072. Based on these data, what is the recombination frequency?
Biology
1 answer:
olga2289 [7]4 years ago
8 0

Answer:

0.14

Explanation:

the formula is = total of the recombinant gene/total of all the gene

                       = 177+180/(1070+177+180+1072)

                       = 357/2499

                       = 0.14

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A similarity in both recrystallization and replacement modes of preservation is that delicate tissue and organs are not preserved.

<h3>What are recrystallization and replacement modes of preservation?</h3>

Recrystallization is a mode of preservation of fossils in which the internal structure of the fossils is changed by addition of more minerals to form larger crystal of the same material.

Replacement is a mode of preservation in which new material replaces the original material in the fossil.

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Therefore, a similarity in both recrystallization and replacement modes of preservation is that delicate tissue and organs are not preserved.

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2 years ago
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It has a negative impact on the environment by allowing toxic chemicals to harm wildlife.

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Mining refers to the act of extracting minerals and other valuable solids from the earth's crust. The process of mining can have adverse effect on an ecosystem in the sense that wildlife is threatened during the process.

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