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guapka [62]
3 years ago
9

Which parts of the resulting sister chromatids will be radioactive?

Biology
2 answers:
Zolol [24]3 years ago
7 0
Centromere   is  the  part  of  sister  chromatids  which   will   be   radio  active.  Centromere  is  responsible  in  joining  the  two  sister  chromosomes.A  pair  of  non  radioactive  homologous   chromosome  replicate   in  presence  of  radioactive DNA precursors,  hence   both  sister   chromatids  of  each  replicated  homologous  chromosome  will incoorparate  radioactive  precursors
ioda3 years ago
3 0
Identifying the parts of the resulting sister chromatids that will be radiactive is possible with use of radioactive dye and Xray photography. By using radioactive dye and bonding agents, we can identify particular stretches of DNA that corresponds to certain amino acids sequences.
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What is the expected phenotype of F1 progeny from a cross between two homozygous recessive mutants disrupted in different genese
LenaWriter [7]

Answer:

The correct answer would be - wildtype.

Explanation:

Let assume there are four genes which are :

A-B-C-D

In mutant first, the genotype would be:---a-b-C-D

In the mutant second, the genotype would be:--A-B-c-d

If both of these genotypes are crossed with each other, the recessive genes a, b of mutant first is dominated and masked the expression by the dominant genes present in the mutant second.

Similarly, the recessive genes of the mutant second are dominated and masked expression by the dominant genes of mutant first.  This is possible only due to different genes are present in mutants.

Thus, the correct answer is - The correct answer would be - wildtype.

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