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nadya68 [22]
3 years ago
12

2. Explain the movement of initial energy from the sun through an energy pyramid.

Biology
1 answer:
Ber [7]3 years ago
3 0
So the sun gives energy to the producers (plants) and then the primary consumers eat the producers getting their energy from the plants. Then, the secondary consumers eat the primary consumers getting their energy from the primary consumers and finally the tertiary consumers eat the secondary consumers getting their energy from them. Therefore, the entire energy pyramid starts with the sun!

Hope this helped!
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Given the information below, answer the following questions, assuming complete dominance. Tongue rolling is a dominant trait. If
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Answer:

The chance that their <u>child will not be able to roll his tongue will be zero</u>.

The chances to have a child with tongue rolling ability is 100%.

Explanation:

In complete dominance, a dominant gene completely manifests over a recessive gene. If tongue rolling is a dominant trait, this means that the gene that expresses this trait is dominant over the recessive one that does not allow the person to roll the tongue.  

If the gene for tongue rolling is called T, then a person that is homozygous dominant for this trait will have the following genotype: TT. If the person is heterozygous for this trait, the genotype will be Tt. And if a person is homozygous recessive for the trait, this person´s genotype will be tt.

When two homozygous dominant individuals mate, their chances to have a child with tongue rolling ability is 100%.

This is:    

Parental)         TT   x   TT

Gametes)     T   T       T   T

Punnet Square)                  T                 T

                                T        TT             TT

                                T        TT             TT

F1)  Genotype: 100% TT, or 4/4 TT

      Phenotype: 100% Tongue rolling capable.

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