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kykrilka [37]
3 years ago
7

Fill in the blanks with the answer that correctly completes the sentence below.

Biology
1 answer:
Andre45 [30]3 years ago
7 0

Answer:

C. Amoebae and paramecia is the answer.

Explanation:

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________ is the involuntary expulsion of the contents of the stomach and duodenum out the mouth
wlad13 [49]

Answer:

<h2><u>Vomiting</u></h2>

Explanation:

<em><u>Vomiting</u></em> is the involuntary expulsion of the contents of the stomach and duodenum out the mouth

Hope this help

plz mark brainliest

Have a nice day!!!!

7 0
2 years ago
Q:- In dogs, the Mexican hairless phenotype never breeds true. When Mexican hairless are interbred the offspring are 2/3 hairles
drek231 [11]

Explanation:

The problem says that the hairless phenotype never breeds true. That means that it's not the result of a homozygous genotype (H₁H₁ or H₂H₂), so it is caused by the heterozygous genotype (H₁H₂).

The <u>expected </u>offspring from the cross between two Mexican hairless would be:

<h3>P                 H₁H₂  x  H₁H₂</h3><h3>F1    1/4 H₁H₁,  2/4 H₁H₂ and 1/4 H₂H₂.</h3>

And the <u>expected</u> phenotypic ratio 3:1. However, the observed offspring shows a 2:1 ratio. What's happening?

If the observed phenotypic ratio in the offspring of a monohybrid cross (a single gene with two alleles) is 2:1, we can suspect that one of the genotypes is lethal in homozygosis and therefore does not appear in the progeny (the puppies are born dead).

If we proposed that the H₂ allele is lethal in homozygosis, then:

  • The H₁H₁ genotype would cause normal puppies --> 1
  • The H₁H₂ genotype would cause hairless puppies --> 2
  • The H₂H₂ is lethal and causes the death of puppies --> 0

The phenotypic ratios change to 2:1, as observed in the experiment.

7 0
3 years ago
A major function of the endomembrane system is ______. A. producing, sorting, and packaging material B. makes all the cell's gen
pentagon [3]
<span>The correct option is A. Endomembrane system is a series of units that work together to label, package, and transport proteins and molecules. Endomembrane system are found in the endoplasmic reticulum and golgi apparatus. The major components of the endomembrane system are golgi apparatus, endoplasmic reticulum, vessicles, cell membrane and the nuclear membrane. </span>
3 0
3 years ago
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New inheritable characteristics would least<br> likely result from
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Answer:

Mutations that occur in muscle and skin cells

Explanation:

3 0
3 years ago
Please help me with number 2, and please list the genotypes
AnnZ [28]
The F1 generation will appear to be only Bt
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3 years ago
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