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Lilit [14]
2 years ago
15

La unidades en que se mide la frecuencia en el sistema internacional es. ?

Biology
1 answer:
tatiyna2 years ago
3 0

Answer:

hercios

Explanation:

Según el Sistema Internacional (SI), la frecuencia se mide en hercios (Hz), en honor a Heinrich Rudolf Hertz. Un hercio es la frecuencia de un suceso o fenómeno repetido por segundo. Así, un fenómeno con una frecuencia de dos hercios se repite dos veces por segundo.

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Which term describes the example below?A child with no freckles has a mother who has freckles and is heterozygous and a father w
Natali5045456 [20]
It is C as to have freckles you have to have a dominant and recessive gene (can be worked out using a punnett square) as the child has 50% of not having freckles like his dad or 50% having freckles like his mom. 
                     male genes(homozygous recessive)
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Explain the process of cross-pollination.
Anna007 [38]

Cross pollination is the transfer of pollen of different species to stigma of different species of plants.

Cross pollination results in healthy, viable and diverse plants.

Mendel observed that traits could either be dominant or recessive.

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Explanation:

In cross pollination pollen transfer takes place from anthers to stigma. In Mendelian genetics the anthers of the plant was removed because it has both male and female parts on same plant so that self pollination does not take place.

The importance of cross pollination is that it creates diversity in the plant species since the traits having different alleles are combined to form the progeny plant. The offspring are healthier and high quality seeds are found.

Mendel observed that traits are either dominant or recessive in general.  It was observed that when homozygous parents were crossed, the progeny in F1 generation always had dominant trait. The recessive trait only appeared when F1 generation offspring were self pollinate.

Blended traits or incomplete dominance appear when alleles get blended and exhibit the traits in phenotype. The phenotype appeared will not be matching with either parents.

The example is a white coloured flower is crossed with red colour flower the resultant colour of the flower is pink. It shows that dominant allele red is not completely dominant and gets blended with white colour.

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