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sergejj [24]
3 years ago
13

In pea plants P represents purple flowers while p represents white, and T represents tall plants while t represents short. Biolo

gists cross two pea plants, each with the genotype PpTt. We would expect what phenotypic ratio from this dihybrid cross?

Biology
1 answer:
son4ous [18]3 years ago
8 0
When we will cross them then the plants with purple and tallness traits=9, white tall plants=3,purple short plants=3,white short plant=1
So phenotype ratio is 9:3:3:1

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If your lac operon looked like the image below, which of the following can you infer?
Marysya12 [62]

Answer:

You have not consumed lactose from dairy recently

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Read 2 more answers
suppose you found a bone of a mastodon which had 6.25%c14and93.75%n14 how long ago did this animal die​
lisabon 2012 [21]

Answer:

t= 3886.18 years old

Explanation:

Whenever an animal dies de C14 and N14 begin to disintegrate in such a way that the proportion between C14 and C12 decreases, with a semi-disintegration period of 5.730 years, T. To get to know how long it takes an element to disintegrate, we must use this semi-disintegration period, which is the time it takes until the amount of the element is reduced to its half.  

We can find the age of the fossil, t, by using the next formula:

t = - (T x ln (C14))/ ln (2)

t = - (5730 x ln (0.625)/0.693

t= - (-2693.12)/0.693

t= 3886.18  

3 0
3 years ago
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