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1 year ago

A cleft palate arises when the right and left _____________ bones fail to fuse medially during fetal development.

Biology

2 answers:

Wittaler [7]1 year ago

8 0

Answer;

-Maxillae

A cleft palate arises when the right and left maxillae bones fail to fuse medially during fetal development.

Explanation;

-A cleft palate is a split or opening in the roof of the mouth. It is a birth defect that occur when a baby's lip or mouth do not form properly during pregnancy. It can involve the hard palate (the bony front portion of the roof of the mouth), and/or the soft palate, and can occur on one or both sides of the mouth.

dem82 [27]1 year ago

6 0

The correct answer that would best complete the given statement above would be the word MAXILLAE. A cleft palate arises when the right and left maxillae bones fail to fuse medially during fetal development. The palatine processes of the maxillae form the anterior two-thirds of the hard palate.Hope this answer helps.

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In horses, the Overo gene, Ov, produces a white splotch pattern on the coat. The overo phenotype is seen only when a horse has one Ov copy, Ovov. Horses with two Ov copies, OvOv, die soon after birth are called white overo because they are completely white. Horses with no Ov copies are solid colored, ovov.

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Suppose that 16 pairs of pintaloosa horses have one offpring per pair. How many each phenotype would be expected? Determine the number out of 16 expected for each phenotype. Only count phenotypes of offspring expected to live past one week of age.

overo:

white overo:

fewspot:

Answer: Overo: 2

White overo: 0

Fewspot: 3

Explanation: Pintaloosa is a "combination" of overo and leopard, so the pair's genotype is OvovLplp.

To cross a pair, use Punnet Square and to facilitate, use the square for each characteristics:

Punnett Square For overo and white overo:

Ov ov

Ov OvOv Ovov

ov Ovov ovov

Analysing this Punnett square, notice that there are 2 individuals who will carry the genotype for overo (Ovov) phenotype. So, 2 out of the 16 pair will have an overo phenotype.

Since white overo is recessive (ovov) and doesn't survive past birth, there will be zero horses with that phenotype.

Punnett Square For leopard and fewspot:

Lp lp

Lp LpLp Lplp

lp Lplp lplp

From this square, notice that there are 1 individual who is fewspot. However, a horse that is overo and fewspot is considered fewspot, so for the 16 pair, 3 out 16 will be fewspot.

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