Answer:
Genetic diversity is an advantage of sexual reproduction because it reduces the occurrence of unfavorable genetic traits and a variety of genes would lessen the chance of the extinction of a population due to environmental changes. The variation between a genetically diverse species will guarantee at least some of it survive when presented with different climates or challenges.
I'm pretty sure that its the 3rd answer
Answer: Sympathetic Nervous System.
Explanation:
The sympathetic nervous system is part of the autonomic nervous system. The sympathetic nervous system activates what is often termed the fight or flight response. The sympathetic nervous system directs the body's rapid involuntary response to dangerous or stressful situations. A flash flood of hormones boosts the body's alertness and heart rate, sending extra blood to the muscles. Breathing quickens, delivering fresh oxygen to the brain, and an infusion of glucose is shot into the bloodstream for a quick energy boost. The sympathetic nervous system allows animals to make quick internal adjustments and react without having to think about it.
There are several types of changes that could happen. If one of the
letters of DNA were to be changed to a differnt letter, this might
result in a differnt amino acid being put into the protein being
synthesized. Or, changing a single letter could tell the protein to
stop being made (a stop codon is formed) this would make a much smaller
version of the protein. If a letter is either inserted or deleted this
is called a "frame shift" mutation and this totally destroyes the
message. A sudden change in the sequence of DNA could also "silence"
the gene turning off transcription so that no mRNA would even be made.
Or, it could enhance transcription increasing the ammount of mRNA.
There are many many ways that a DNA mutation can affect mRNA, do you
need anything more specific?<span>Its
very simple,mRNA is kinda messenger which takes information from
genetic material(DNA) which will later get translated to functional
protein.The information in genetic material is in the shape of sequence
of nucleotides pairs.there are four kinda nucleotides
1.adenine,2.guanine3.cytosine4.thiamine.... nucleotides lare kinda codes
which get imprinted on mRNA , where thiamine is exception coz it get
transcribed to uracil.
,since mRNA does contain thiamine but it has a replacement known as
uracil.So its very simple if there will be any change in nucleotide the
information given to mRNA will also change .So u see sudden change in
nucleotides will mean that information send to mRNA will get
changed.other things getting affected would be protein.</span><span>.As mRNA will later translate this information to make proteins from amino acids</span>
True breeding refer to an organism that always passed a certain genetic to its offspring.
Some advantages of true breedings are :
- Diminish the probability of Genetic Mutation
- Reduce the risk of Genetic Extinction
- If used in industry, it could be used to produce/bred the exact type of products
