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lisov135 [29]
3 years ago
9

A new species that forms in only one generation is an example of _____. co-adaptation genetic health mass extinction instantaneo

us speciation
Biology
2 answers:
kenny6666 [7]3 years ago
7 0

Answer:

Instantaneous speciation

Explanation:

Instantaneous speciation is sympatric speciation and occurs through spontaneous mutation or polyploidy. It does not need geographical isolation. Single spontaneous mutation led to instantaneous speciation in apple maggots.

Similarly, autopolyploidy is shown to cause the evolution of new species in a single generation in evening primrose. It included duplication of chromosomes in some of the progeny organisms during reproduction.

likoan [24]3 years ago
5 0

Speciation is the answer that you’re looking for

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In the chemical equation for photosynthesis, carbon dioxide and water are converted to glucose and oxygen what component could b
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sunlight would be the component to be added

4 0
4 years ago
True-breeding flies with singed bristles (s) and normal wings (L) were crossed to true-breeding flies with normal bristles (S) a
mina [271]

Answer:

The correct answer is -

Possible F2 offspring genotypes and phenotypes:

SsLl: normal bristle, normal wing

Ssll: normal bristle, vestigial wing

ssLl: singed bristle, normal wing

ssll: singed bristle, vestigial wing

Explanation:

In this case, the genes 's' and 'L' and genes 'S' and 'l' are linked, they will be passed on to the gamete together.

The cross would be as follows:

F1:

Parents: singed bristles and normal wings   x    normal bristles and vestigial wings

Genotype:          ssLL                                                          SSll

Gametes:             sL                                                             Sl

F1:                      SsLl ( normal bristles and normal wings )        

For F2,

Parents: normal bristles and normal wings    x   singed bristles and vestigial wings

Genotypes:            SsLl                                                         ssll

Gametes:                               SL, Sl, sL, sl

Cross:  

          SL        Sl         sL        sl

sl       SsLl     Ssll       ssLl      ssll

Thus the possible offspring will have -

SsLl: normal bristle, normal wing

Ssll: normal bristle, vestigial wing

ssLl: singed bristle, normal wing

ssll: singed bristle, vestigial wing

4 0
3 years ago
What happens right before RNA polymerase begins to work?
Wewaii [24]
C. mRNA detaches and moves to the ribosomes.
3 0
3 years ago
Transcription factors in eukaryotes usually have DNA binding domains as well as other domains that are also specific for binding
trapecia [35]

Answer:

A) repressors

Explanation:

A transcription factor is a protein that controls the rate of transcription of genetic information from DNA to messenger RNA, by binding to specific DNA sequence. The function of TFs is to regulate-turn on and off genes-In order to make sure that they are expressed in the right cell, at the right time and in the right amount throughout the life of the cell and the organism. Groups of TFs function in a coordinated fashion to direct cell division, cell growth and cell death throughout life.

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4 years ago
I NEED HELP ON THIS QUESTION PLEASE.
kvv77 [185]

Answer:

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Explanation:

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