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andrezito [222]
3 years ago
5

Molecular data can be used to assess relationships among the major groups of living organisms whose common ancestors lived milli

ons or billions of years ago. Similar techniques can be used to assess relationships among populations within a species. How can molecular techniques be useful for such varied comparisons?
Biology
1 answer:
jek_recluse [69]3 years ago
4 0

Answer: Faster-evolving gene sequences provide better data for comparisons among close relatives, whereas very slowly evolving sequences work best for distantly related tax.

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Gametes are formed in a process called:
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Answer : B. Meiosis.
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As blood glucose returns to its baseline level, what happens to the levels of insulin and glucagon in the blood
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As blood glucose returns to its baseline level, the levels of insulin and glucagon in the blood will stabilize. As the blood glucose levels begin to drop below the base line, the concentration of glucagon hormone increases.  while as the blood sugar levels increases above the baseline, the level of insulin hormones increases. Insulin and glucagon work antagonistically to maintain the normal level of glucose in the blood. 
5 0
2 years ago
Read 2 more answers
*20 POINTS* Need help ASAP please!
nekit [7.7K]

Answer: CONDITIONS FOR HARDY

No mutations should appear in the beetle population because new alleles would change the allele frequencies

There should be random mating among beetles

There should be no natural selection on the beetle population

The population of beetles must be large enough so that genetic drift is avoided

There should be no migration of beetles into or out of the population.

CONDITIONS FOR EVOLUTION-

Natural selection favors green beetles

Purple mutants appear among the Beatles

Preferred mates are red, so these individuals reproduce

Large numbers of brown beetles were killed in a forest fire

A significant number of yellow beetles left.

Explanation: I only added about half the sentence of each answer because it’s to long.

3 0
3 years ago
Hemophilia is an X-linked recessive disorder (Xh) that is passed through generations and can be traced by using a pedigree. What
Radda [10]
Since hemophilia is an X-linked recessive disorder, the probability depends on the X alleles.
So, if father has dominant allele (H), the probability that a <span>female child would suffer from hemophilia (genotype: hh) is 0%, no matter of mother's genotype:
 
                    Father              Mother
Parents:       H             x          Hh
Daughter:     HH or Hh

</span>      Father              Mother
Parents:       H             x          HH
<span>Daughter:     HH
</span>
      Father              Mother
Parents:       H             x          hh
<span>Daughter:     Hh or Hh
</span>
But, if the father has recessive allele, the probability that a <span>female child would suffer from hemophilia (genotype: hh) will depend on mother's genotype.
If mother is dominant homozygous, there will be 0% of possibility:
</span>                       Father              Mother
Parents:             h          x          HH
<span>Daughter:     Hh
</span>
If mother is recessive homozygous, the possibility is 100%:
                    Father              Mother
Parents:           h         x         hh
<span>Daughter:     hh
</span>
If mother is heterozygous, the possibility is 50%:
                   Father              Mother
Parents:          h         x         Hh
<span>Daughter:     Hh or hh</span>

6 0
3 years ago
Read 2 more answers
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