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Vika [28.1K]
3 years ago
11

Which of the following does not generally occur? A. A single sperm fertilizing a single egg B. Two different sperm both fertiliz

ing the same egg C. A fertilized egg splitting into two embryos D. Two sperm fertilizing two different eggs at the same time
Biology
2 answers:
MaRussiya [10]3 years ago
5 0

Answer: B. Two different sperm both fertilizing the same egg.

Explanation:

Fertilization is a process which involves the fusion of haploid gametes such as a sperm from male and an egg from female to develop a diploid zygote either inside the body of female mate (internal fertilization) or outside the body of female mate (external fertilization).

B. Two different sperm both fertilization the same egg. is the correct option. As only one sperm can fertilize the egg. The sperm brings changes in the external membrane of the egg which prevents the fusion with other sperm.

PIT_PIT [208]3 years ago
4 0

Answer:

B. Two different sperm both fertilizing the same egg

Explanation:

Two different sperm both fertilizing the same egg

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One parent has type A blood and the other has type B. What are their genotypes if they produced children whose blood types were
zhenek [66]

Answer:

iAiA and iBiB

Explanation:

Blood type in humans is controlled by a gene with three alleles namely: iA, iB, and i. Alleles iA and iB are dominant over allele 'i' but codominant. The following are the allelic combinations of the genotype and the resulting blood types:

iAiA or iAi - type A

iBiB or iBi - type B

iAiB - type AB

ii - type O

According to this question, one parent has type A blood and the other has type B. If all the offsprings of these parents have blood type AB, this means that the parents must have a genotype of iAiA and iBiB respectively.

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What are each of these blood vessels responsible for when it comes to transporting blood in the body?
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Is veins in charge of transporting the blood
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A female heterozygous for dark hair and freckles married a male also heterozygous for dark hair and freckles. What is the possib
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Cartilage, found in the ears and nose, is a rubbery type of _____ tissue.
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<span>The correct answer is CONNECTIVE. Cartilage, one of the types of connective tissue found in the body. It is a smoother and more resilient and flexible type of connective tissue than other types found in the human body and acts as a rubber-like padding at the ends of many of the bones and joints in the body. It is also a structural component of the ears and nose.</span>
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As a baseball, player, you hit a home run! If the distance between each of the bases and home plate on a baseball diamond is 90
larisa [96]

Answer:

360

Explanation:

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90

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There are 4 bases in baseball.

90x4=360

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