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horsena [70]
3 years ago
6

What is the definition for dihybrid cross

Biology
1 answer:
pychu [463]3 years ago
4 0
A dihybrid cross is defined as a breeding experiment involving parental generation chromosomes that have two contrasting traits. The individual organisms involved in this can be either homozygous or heterozygous.

This kind of cross pollination experiments led to the development of George Handel's Law of Independent Assortment.

Hope it helps. 
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JulijaS [17]

Answer:

4 ul Loading Buffer + 19.70 ul dH2O + 0.30 ul DNA Ladder

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Explanation:

DNA Ladder concentration = 1000 ug/ml

1000 ug DNA in 1 ml DNA Ladder solution →    150 ng DNA = 0.15 ug DNA in..... 0.00015 ml = 0.15 ul DNA Ladder solution

6x DNA Loading Buffer → it has to be diluted by an equal volume 6 times (1 ul LB + 1 ul distilled H2O)

An appropriate volume to load on an average agarose gel is 12 ul, so:

2 ul Loading Buffer + 9.85 ul dH2O + 0.15 ul DNA Ladder = 12 ul

But since 0.15 ul is a very small volume and mistakes could be made while measuring it, let's make double:

4 ul Loading Buffer + 19.70 ul dH2O + 0.30 ul DNA Ladder = 24 ul

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3 years ago
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Orlov [11]

Answer;

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Answer:

pharynx, larynx, trachea, bronchi and lungs

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Explanation:

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First one is correct. ...remeber my teacher telling us enzymes never get used
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