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Svetach [21]
3 years ago
11

What is the role of the molecule above in DNA cloning? A. To carry the foreign DNA into the host cell B. To identify the source

of DNA as foreign C. To identify the host cell that has taken up the gene of interest D. To make the foreign DNA susceptible to digestion with enzymes
Biology
2 answers:
Licemer1 [7]3 years ago
7 0
To identify the host cell that has taken up the gene of interest
statuscvo [17]3 years ago
5 0
C. To identify the post so that has taken up a gene the interest
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Suppose you have one plant with the genotype TTPpYy, and another plant that is recessive for all three traits. If you were to cr
musickatia [10]

Answer:

16/64 = 1/4

Explanation:

This is a typical trihybrid cross involving three genes T, P and Y. A plant with genotype TTPpYy is crossed with a plant recessive for all traits (ttppyy).

According to Mendel's law of independent assortment, each allele for each gene will get sorted into the following 8 gametes with only 4 different: TPY, TPy, TpY, Tpy, TPY, TPy, TpY and Tpy.

The recessive parent, ttppyy will produce tpy, tpy, tpy, tpy, tpy, tpy, tpy and tpy.

Hence, using a punnet square, 64 offsprings will be produced with only 16 of them heterozygous dominant for the three traits with genotype (TtPpYy). Hence, proportion is 16/64 equivalent to 1/4.

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Explanation:

7 0
3 years ago
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