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kap26 [50]
3 years ago
14

How can DNA be useful in phylogeny?

Biology
2 answers:
Genrish500 [490]3 years ago
8 0

Answer:

Option C, DNA sequences from different species can be compared, giving us more information about their evolutionary relationships

Explanation:

Phylogeny is the study of evolution of species since ages and  also working out inter species evolutionary relationship.

In molecular phylogeny the DNA and its structure is very essential to work out the evolution of species.  

The information about the structural arrangement of genome, genetic mutation, difference in the nucleotide sequence etc, helps to establish a common ancestry relationship between two or more individual.  

Since all the genetic information is carried by DNA, thus assessment of DNA helps to identify the common thread of evolution  and in this way DNA is useful in phylogeny.

mash [69]3 years ago
7 0

Answer:

Option A is correct

......

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I believe that the most common antibody switch is from IgM to IgG.
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4 0
3 years ago
in pea plants, purple flowers (p) are dominant over white flowers (p). Show the cross between two heterozygous plants
Ostrovityanka [42]

Answer:

       <em>P      p</em>

<em>P</em>    PP   Pp

<em>p    </em>Pp    pp

PP=Homozygous purple

Pp= heterozygous purple

pp=homozygous White

Explanation:

I tried to type out the cross. The bold letters are the heterozygous  plants that you are crossing. and the normal letters are the offspring of the two heterozygous parents being crossed. Heterozygous means they are different alleles. Homosygous means the same alleles are present.

heterozygous= Pp

Homozygous= PP or pp

I hope this was the answer you were looking for!

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