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Ad libitum [116K]
3 years ago
13

Chickens can have different types of feathers. Frizzled feathers curl toward a chicken’s head. Assume that feather type is deter

mined by a single gene and that the allele for frizzled feathers is dominant over the allele for straight feathers. In a cross between two chickens with straight feathers, what percentage of the offspring can be expected to have frizzled feathers? *
A: 0%
B: 25%
C: 50%
D: 100%
Biology
2 answers:
SVETLANKA909090 [29]3 years ago
7 0

Answer:

A: 0%

Explanation:

Serggg [28]3 years ago
4 0

Answer:

a 0./.

Explanation:

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Place the steps of endochondral ossification in order, starting with the creation of a cartilage model and ending with the prese
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The correct  steps of endochondral ossification is:

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  2. spongy bone and the medullary cavity form in the diaphysis.
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  4. The epiphyseal center is vascularized and osteoblasts deposit osteoid over the calcified cartilage matrix.
  5. The spongy bone forms in epiphysis.

<h3>Which bones grow by endochondral ossification?</h3>

Long and short bones, such as the phalanges and femur, arise from a cartilage model formed by endochondral ossification. Distinguishing between these two types of osteogenesis does not imply the existence of multiple types of bone tissue.

Endochondral ossification mainly forms in two stages: modifications of the hyaline cartilage that ends with the death of chondrocytes and invasion of osteogenic cells and their differentiation into osteoblasts in the cavities previously occupied by chondrocytes for deposition.

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2 years ago
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