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deff fn [24]
4 years ago
12

Many different types of mutations can occur within the body. Tay-Sachs disease is a deadly disorder that is caused by a missing

codon in the gene coding for production of the hex A enzyme in the body. Which type of mutation is responsible for causing Tay-Sachs disease?
Biology
2 answers:
Eduardwww [97]4 years ago
6 0
Deletion- the fact that a codon is missing implies that the nucleotides were deleted.
laiz [17]4 years ago
6 0

Answer:

Deletion mutation is responsible for Tay-Sachs disease.

Explanation:

Deletion mutation may be defined as the loss  of a sequence of a nucleotide base or entire deletion of chromosome at the time of DNA replication.

Tay Sachs disease is an autosomal recessive disorder and damages the central nervous system of the body. The alpha sub-unit of Hex A gene codes for the enzyme hexosaaminidase  has been lost in the Tay Sachs disease.

Thus, the deletion mutation is responsible for the Tay Sachs disease.

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Check all the functions that take place within the eukaryotic cytoplasm.
sesenic [268]

The cytoplasm is a fluid substance that fills every living cell which is enclosed by the cell membrane. This substance is mainly composed of water and proteins.

The functions that take place within the eukaryotic cytoplasm are diverse:

  • Location for most metabolic pathways. Except for the metabolic pahtways in cell nucleus and cytoplasmatic organelles, all metabolic functions (e.g., synthesis of biomolecules, growth, etc) occur in the cytoplasm.  The cytoplasm contain enzymes (i.e., proteins) to carry out different chemical reactions.

  • Location for organelles that house many of the metabolic pathways for the cell. For example, the synthesis of ATP (the energy coin of the cells) is carried out in the mitochondria, which are organelles found in the cytoplasm.

  • Location for the cytoskeleton that gives integrity to the cell. The cytoplasm contains all of the three types of filaments of the cytoskeleton (i.e., microtubules, actin filaments, and intermediate filaments) which provides structural support to the cells.

On the other hand, in plant cells, the cell wall is located outside the cell membrane.

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7 0
3 years ago
A new element has been discovered. Newelementium has 40 more protons than radon. It also has the same number of protons and neut
Paladinen [302]
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3 0
3 years ago
Read 2 more answers
Multiple Allele So far we have studied traits or genes that are coded for by just two alleles. Like in rabbits, there was one al
Vesnalui [34]

Answer:

The correct answer is BB genotype and BO genotype.

Explanation:

The human blood system or ABO system shows codominance due to the multiple alleles. That means three different alleles for human blood type are present are IA, IB, and i. For easy understanding can be stated as A (for IA), B (for IB), and O (for i).

If someone has blood type B could have a genotype of either BB or BO because of the dominance of B allele on O where is If A allele present with B allele it would show co-dominance.

Thus, the correct answer is the BB genotype and BO genotype.

8 0
3 years ago
How does the introduction of invasive species such as the brown tree snake upset the stability of the legal system
Assoli18 [71]

Answer:

Invasive species compete for the same natural resources such as food and water which the native species also need for survival.

Explanation:

Invasive species upset the stability of the ecosystem because the prey in their new environment does not have the needed defense against them. They also upset the food chain, consume so much, and overpopulate in the new territory thus causing the extinction of the native species.

The introduction of brown tree snakes in Guam disrupted the ecological system as their population increased rapidly because their preys in this new environment lacked the ability to defend themselves against the brown tree snakes. For this reason, more than twelve native birds in the Guam Islands went into extinction. They also consumed the natural resources needed for the survival of the native species.

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3 years ago
12. Which macromolecule is involved in how the trait for curly hair is passed
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