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puteri [66]
2 years ago
15

The offspring of many species of amoeba are genetically identical to their parent, while the offspring of most mammal species ar

e genetically different from their parents. Which most likely explains the genetic differences in the offspring of amoebas and mammals?
A. Amoebas reproduce asexually, but mammals reproduce sexually.

B. Amoebas reproduce sexually, but mammals reproduce asexually.

C. Amoebas reproduce more slowly than mammals.

D. Amoebas reproduce faster than mammals.
Biology
2 answers:
Marina86 [1]2 years ago
8 0
I think the answer Is B hope it helps
kari74 [83]2 years ago
4 0

Explanation:

d yn ang alam ko sana makatulong

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What is the probability that the first offspring from the cross listed below will be heterozygous for all loci?
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Answer and Explanation:

<u>Cross:</u> aa Bb dd Ee x AA bb Dd Ee

We can calculate the probability of getting heterozygous individuals in the progeny by using the <u>product rule</u>. Assuming that these four genes <u>assort independently</u> (<em>events that occur independently from each other</em>), we can infer that the F1 will have the next genotypic proportions for each gene:

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4) Ee    x    Ee

F1) ¼ EE

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     ¼ ee

So, to know what the probability is that the F1 of being heterozygous for all loci, we must multiply the respective individual probabilities of getting a heterozygous genotype, like this:  

1 Aa   x   ½ Bb   x    ½ Dd    x    ½ Ee = 1/8 AaBbDdEe

                                 

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