B. Global warming accelerates the greenhouse effect
Answer:
The recombination frequency between two genes exhibits a positive correlation with the distance between them, that is, farther they are, and more will be the chance of recombination. Thus, recombination frequency is used to signify distance among the two genes, for example, 1 percent recombination frequency demonstrates distance of 1 map unit.
Let us consider that the heterozygous female of genotype AaBb can generate four kinds of gametes, that is, AB, Ab, aB and ab. Of these, the two gametes are the outcomes of recombination, or it can be said that 50 percent are recombinants. Thus, it can be concluded that in case of two linked genes, the maximum probable recombination frequency is 50 percent.
This shows that any genes, which are distant than 50 map units will function as unlinked and will function as if they were on distinct chromosomes, and the frequency of recombinant frequency will be 50 percent.
In the given question, it is given that the map distance between the two genes is 80 map units, that is, more than 50 map units. The maximum probable recombinant offspring will be 50 percent of the entire offspring.
<span>By using superposition and cross cutting relationships, geologists can determine relative ages of rocks. This means they can determine which rocks are older and which are younger, but not the exact ages of the rocks. </span>
Answer:
As of 2015, that number was 13.7 percent
Explanation:
Renewable energy in the U.S. through the first half of 2016, including hydro-electric power, biomass, geothermal, wind, provided 16.9 % of electricity generation. As of 2015, that number was 13.7 percent.
Answer: Somatic Nervous system
Explanation:
The instruction to the muscles to avoid the oncoming bicyclist is voluntary and controlled by the SOMATIC NERVOUS SYSTEM, which is known to
- control the speed of impulses from the brain to the effectors (muscles)
- affects skeletal muscles and
- control activities that are mainly voluntary like swerving to avoid hitting a bicyclist
