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Radda [10]
2 years ago
12

What type of behavior is a bird song, learned or innate?

Biology
1 answer:
SashulF [63]2 years ago
7 0

Answer:

The tendency of the bird or the inclination to sing is innate in birds, however, the song, which is sung is learned. There exists an innate tendency to sing a song whether the bird is in seclusion or not. The birds possess sensitive/critical periods when they can produce memories of the songs they learn. The anterior forebrain pathway or the anterior vocal pathway is the template for learning a song by the bird.

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8. In chickens, brown feathers are dominant over red feathers. Suppose we cross two heterozygous chickens.
devlian [24]

Answer:

Crossing two chickens heterozygous for the trait feather color, when brown feathers are dominant over red feathers, will produce offspring with brown and red feathers in a brown:red phenotypic ratio of 3:1.

Explanation:

Knowing that in chickens brown feathers are the expression of the dominant allele (B) and the recessive allele is red (b), crossing two heterozygous individuals (Bb) will result in offspring that are likely to have brown or red feathers.

The cross can be represented by a Punnett Square:

<u>Bb X Bb cross </u>

alleles     B    b

B             BB Bb  

b             Bb bb

Where the result is:

<u>Genotypes</u>:  

  • Bb, 50%
  • BB, 25%
  • bb, 25%

<u>Phenotypes</u>:

  • Brown feathers, 75%
  • Red feathers, 25%.

In this case, the probability of having brown or red feathers is 3:1.

3 0
3 years ago
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Rufina [12.5K]
The following of what? It sounds like there is more than one answer. 
5 0
3 years ago
Read 2 more answers
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kobusy [5.1K]

Answer:

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8 0
2 years ago
Term that describes the ability of many metals to be pounded into thin sheets
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The answer is <span>malleability</span>
6 0
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Which type of radiation can pass through paper, foil, and concrete?<br> Gamma<br> Beta<br> Alpha
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Answer:

Explanation:

Gamma

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