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krok68 [10]
3 years ago
8

DNA fingerprinting is used: *

Biology
2 answers:
salantis [7]3 years ago
7 0
All for the above

Supplementary single stranded endsdiffustion
omeli [17]3 years ago
4 0

1.) For all of the above

2.) supplementary single-stranded ends.

3.) The strong negative charges from the phosphate groups in the DNA backbone cause it to migrate toward the positive pole.

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Explain Mendel's law of segregation and how it predicts the 3:1 dominant-to-recessive phenotypic ratio among the F2 generation o
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Answer:

Mendel is known as the father of genetics. He explained the law of segregation by the monohybrid cross. The monohybrid cross involves the cross of a single trait at a time.

Law of segregation explains that at the time of formation of gametes, the allele pairs get separated from the pairs of trait. The concept of dominance was also explained. The traits that express itself even in the heterozygous condition is known as dominant trait (T). The trait that can not express itself is known as recessive trait (t).

For example:

Parents TT        ×       tt.   (Laws of segregation)

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Selfing of F1 generation

Tt       ×        Tt

Offspring :   TT (tall) , Tt (tall) , Tt (tall) , tt (dwarf).

The phenotypic ratio is tall : dwarf (3 : 1)

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