Answer:
they have increased
Explanation:
What happens with pollution is that every day are tons of CO2 liberated to the atmosphere. those tons of pollution supose to be regulated by the states, but that is not what actually happens in third world countries there is an almost uncontrolable increase of CO2 liberation at the atmosphere. In the first world countries it's more controlled but still haven't decreased the CO2 levels released into the atmosphere.
The CNN (an spanish daily paper) said: the CO2 levels are the highest in the last 3 million years, in a new released the past april.
42% of rabbits in the population are heterozygous for the mutant Sp1 allele
Hardy-Weinberg equilibrium
- Assume that p is the frequency of the dominant allele
- p² is the frequency of the organisms with homozygous dominant genotype
- Assume that q is the frequency of the recessive allele
- q² is the frequency of the organisms with homozygous recessive genotype
- 2pq is the frequency of the organisms with heterozygous genotype
- p+q = 1
According to the question, 900 out of 10000 rabbits are homozygous recessive
- This implies that q² = 900/10000= 9/100= 0.09
- So, q = 0.3
- The frequency of the recessive allele is 0.3
- p = 1-q = 1-0.3= 0.7
For organisms with heterogenous genotype, their frequency is 2pq
2pq= 2 x 0.3 x 0.7 = 0.42
In terms of percentage, 0.42x 100% = 42%
Therefore, 42% of rabbits in the population are heterozygous for the mutant Sp1 allele.
Learn more about Hardy-Weinberg equilibrium here:
brainly.com/question/10482905
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Red flowers if homozygous dominant genes are prsent like RR and multiply with recesive gene which is ( rr)
Rr × rr =
(Rr Rr rr rr )half r red and half r white.
If red flowers are homozygous dominant genes like
RR × rr =
(Rr Rr Rr Rr )all are red flowers
Answer:
Removing the squirrel from the food web would cause an imbalance in the ecosystem. It´s predators would not be able to eat, and there would be much of what the squirrels ate before they were removed from the web.
Explanation:
Sorry if this doesn´t help : /
When natural selection favors an average phenotype and selects against extreme variations, stabilizing selection decreases genetic variance in a population. When a population is subjected to environmental changes, the genetic variation moves toward a new phenotype, which is known as directional selection.
