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Slav-nsk [51]
3 years ago
13

Which is used to copy DNA for DNA fingerprinting? A. Nuclear transfer B. Gel electrophoresis C. Reverse transcription D. Polymer

ase chain reaction
Biology
2 answers:
marissa [1.9K]3 years ago
8 0
<span> Polymerase chain reaction

</span>
dimulka [17.4K]3 years ago
4 0

Answer:

polymerase chain reaction

Explanation:

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A tall pea plant (Tt) is crossbred with another tall pea plant (Tt). The following Punnett square shows the separated alleles fo
bazaltina [42]

Answer: 1-TT, 2-Tt, 3-Tt, 4-tt

Explanation: It is pretty simple. you just have to match every letter together. Also, the genotype of this is 50% Tt (which is crossbred), 25% TT (which is tall), and 25% tt (which is short).

I hope this helped you out!

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Which shows the levels of organizational hierarchy listed from least complex to most complex?
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That would be organism, species, and then community.

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Plants and animals that lack color are commonly called albinos. In corn plants, green (G) is dominant to albino (g). A student
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(B) 25% GG, 50% Gg, and 25% gg

<u>Explanation:</u>

Given:

Green is dominant and is coded by G

Albino is recessive and is coded by g

Two corn plants that are heterozygous for color are crossed.

The heterozygous condition of the plant would be Gg.

The cross is shown in the table attached.

According to the punnett square drawn,

The genotypic ratio is 1 : 2 : 1 (GG : Gg : gg)

                                 = 25% GG , 50% Gg , 25% gg

Phenotypic ratio = 3 : 1 ( green : albino)

                           = 75% green, 25% albino

7 0
3 years ago
A fern is in the sporophyte phase of its life cycle. Which of the following best explains what happens next in the fern’s life c
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Answer: a. Haploid spores are released to form zygotes, which grow into gametophytes.

A fern has two different stages of the life cycle; the sporophyte and gametophyte. In the sporophyte, spores are released. After this life cycle comes the gametophyte or the sexual phase,  <span>haploid spores are released to form zygotes, which grow into gametophytes. </span>

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What causes birds to fly?
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The things that birds have attached to their bodies called their wings, a left one and a right one, cause them to have the ability to fly.
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