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Nostrana [21]
4 years ago
7

Which description justifies why the theory of evolution is a theory and not a law?

Biology
1 answer:
kompoz [17]4 years ago
6 0

The correct answer is B becasue laws ARE NOT predicted and theorys are.

I hope this helped and have a nice evening dear :)

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A postganglionic neuron in the ANS __________.
Ede4ka [16]

Answer:

a) releases neurotransmitter that binds to the effector cell

8 0
3 years ago
Which kind of mutation is most likely to lead to a new trait in an organism?
Liono4ka [1.6K]

A frameshift mutation is a kind of mutation which is most likely to lead to a new trait in an organism. Thus, the correct option is A.

<h3>What is Mutation?</h3>

A Mutation may be defined as the sudden, stable, and inheritable alterations in the genomic sequence of an organism.

A frameshift mutation occurs when the reading frame modifies the grouping of the bases and thereafter transforms the amino acids that are encoded. Here, the encoded protein is non-functional.

A missense mutation arises when there is a blunder in the DNA code and one of the DNA base pairs is altered.

A nonsense mutation occurs when a single change in the base sequence outcomes in the exhibition of a stop codon, thereby concluding protein synthesis prematurely.

Therefore, it is well described above.

To learn more about Mutations, refer to the link:

brainly.com/question/17031191

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8 0
2 years ago
Two genes determining a trait In primroses, the dominant allele of gene K is necessary to synthesize blue flower pigment. Blue p
GREYUIT [131]

Answer:

The ratio of blue to white offspring in the progeny is 4 blue : 12 white.

Explanation:

<u>Available data:</u>

  • The dominant allele K is necessary to synthesize blue flower pigment
  • K is inhibited by the dominant allele D
  • Plants with the genotype K- D- will not produce pigment (and their flowers will be white)

Cross: testcross for (Kk Dd) plants

Parental)   KkDd     x     kkdd

Gametes) KD   kD   Kd   kd      

                kd   kd   kd   kd

Punnet square)        KD        Kd       kD       kd

                      kd     KkDd   Kkdd   kkDd   kkdd

                      kd     KkDd  Kkdd   kkDd   kkdd

                      kd     KkDd   Kkdd   kkDd   kkdd

                      kd     KkDd   Kkdd   kkDd   kkdd

  • Whenever D is present, it inhibits the expression of the K gene, so every plant with the dominant D allele will be white. This plants´ genotype is kkD- or K-D-.
  • Whenever D is absent and K is present, every plant with genotype K-dd will be blue.
  • The recessive form for K and D genes will express white-flowered plants, with genotype ddkk

F1) Progeny genotype: 4/16 KkDd, white-flowered plants

                                      4/16 Kkdd, blue-flowered plants

                                      4/16 kkDd, white-flowered plants

                                      4/16 kkdd, white-flowered plants

     The ratio of blue to white offspring in the progeny is 4 blue : 12 white.

     Blue-flowered plants: 4 Kkdd

     White-flowered plants: 4 KkDd + 4 kkDd + 4 kkdd

5 0
4 years ago
What is the process by which cells release energy in the absence of
kvv77 [185]

Answer:

This process is called aerobic respiration because it requires air (oxygen). In the absence of oxygen, the cell uses a process called anaerobic fermentation. or simply fermentation. ... Because aerobic respiration breaks the sugar all the way down, it releases much more energy than fermentation.

8 0
3 years ago
Read 2 more answers
A formation of igneous rock on Earth's surface is known as
bezimeni [28]

Answer:

magma is the correct answer

7 0
3 years ago
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