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sattari [20]
3 years ago
12

Which principle helps to explain the reason behind why alleles for a single trait separte

Biology
1 answer:
vichka [17]3 years ago
5 0
<span>Segregation would be the answer :)</span>
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In sp²-hybridized orbitals, how many p-orbitals remain to form multiple bonds?.
olasank [31]

Answer:

1 remains

Explanation:

3 0
2 years ago
A mutation in the Ras protein renders Ras constitutively active (RasD). What is constitutive activation? How does constitutively
frosja888 [35]

Answer:

Constitutive activation is the alteration of a protein or signaling pathway such that it is functional or engaged even in the absence of an upstream activating event. For example, RasD is constitutively active because it cannot bind GAP and therefore remains in the GTP-bound, active state even when cells are not stimulated by growth factor to activate a receptor tyrosine kinase.

Constitutively active Ras is cancer promoting because cells will proliferate in the absence of growth factors, and thus normal regulatory mechanisms for cell proliferation are bypassed.

(a) A mutation that resulted in Smad3 binding Smad4, entering the nucleus, and activating transcription independent of phosphorylation by the TGFβ receptor would render Smad3 constitutively active.

(b) A mutation that made MAPK active as a kinase and able to enter the nucleus without being phosphorylated by MEK would render MAPK constitutively active.

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5 0
3 years ago
HELP PLS I WILL GIVE LOTS OF POINTS pls answer good and i will give brainliest and give more points if its correct
Fofino [41]

Answer: .374 and .626

Explanation:

5. total number of alleles = 4712 + 2816 = 7528

       frequencey of B allele = B allele / total number of alleles --> 2816/7528 = 0.374                

             

6. total number of alleles =  4712 + 2816 = 7528

   freq of b allele = b allele/total number of alleles --> 4712/7528 = 0.626

We can confirm our answer as correct because if we add up the answers to 5 and 6 we should get one:

0.374 + 0.626 = 1

6 0
3 years ago
A cell with a diploid number of 24 undergoes meiosis, how many chromosomes are in each daughter cell?
butalik [34]

Answer:

it will have 12

you are welcome :)

3 0
2 years ago
A black chicken and a white chicken mate. The offspring has both black and white feathers. This is an example of
Setler79 [48]
A hybrid chicken because the offsprings traits were shared and therefor that chicken is a hybrid.
5 0
3 years ago
Read 2 more answers
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