Answer:
It can put harmful substances into the atmosphere and boost climate change.
Explanation:
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If grey feathers is a recessive trait, then 72.8% of the population is heterozygous for this trait.
Explanation:
The concept used here is of Hardy Weinberg principle,
+2pq =1
The homozygous dominant genotypeis represented as
= 84
Red = dominant
The homozygous recessive genotype trait is represented as
= 16
grey = recessive
2pq = heterozygous individual
Thus for dominant homozygous the alleles are given as
p= 
= 9.1
q = 
= 4
for heterozygous individual 2pq
2 x 9.1 x 4
= 72.8
72.8% population is heterozygous for the trait.
Answer:
It prevents their species from going extinct.
Antibiotics stop the bacteria growth, reproduction or destroy the bacteria.
Explanation:
Antibiotics are known as those popular medicine which is helpful and also can fight for certain type of infection. Their main role is to stop their growth, reproduction or otherwise destroyed it.
The first antibiotics was penicillin. Antibiotic is using to stop the allergic reaction but it must be prescribed by doctors. Antibiotics also have side effects. Due to excess use of antibiotics abnormal blood clotting happens.