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umka21 [38]
2 years ago
15

The evolution of bipedal locomotion has not been associated with what environment?

Biology
1 answer:
sergey [27]2 years ago
4 0
Lake edges in Africa

Bipedal locomotion was seen on Hominins as an adaptation towards environment that favored long-distance walking, hunting and scavenging and better predator detection. The feature of bipedal locomotion provided Hominins to see upright with ease, walk faster and gather resources much effectively.
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6 0
3 years ago
What is the probability that the first offspring from the cross listed below will be heterozygous for all loci?
Tanya [424]

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:

1) aa     x     AA

F1) 4/4=1 Aa

2) Bb    x    bb

F1) ½ bb

     ½ Bb

3) dd    x    Dd

F1) ½ dd

     ½ Dd

4) Ee    x    Ee

F1) ¼ EE

    2/4 = ½ Ee

     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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3 years ago
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Please finish the sentence.

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Answer:

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