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Phantasy [73]
3 years ago
7

Explain why two siblings except identical twins have the exactly the same alleles

Biology
1 answer:
Natali [406]3 years ago
5 0

Answer:

having exactly the same DNA sequences, twins start accumulating genetic variation from the earliest stages of development, researchers at Iceland-based company deCODE genetics found, meaning that one twin harbors variants that aren't present in the other.

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What are the five parts of skill related fitness. Please select all 5 below. Question 1 options: Speed Muscular Strength Coordin
Goryan [66]

Answer:

There are only four parts of skill related fitness in the options; they are:

Speed

Agility

Balance

Coordination

Explanation:

Physical fitness refers to the ability to perform physical activities well without fatigue. In other words, being physically fit refers to a state of general wellbeing. Physical fitness can either be health-related or skill-related. The skill-related components are six in number viz: agility, power, balance, coordination, speed and reaction time.

However, only four of these skill-related parts of physical fitness are mentioned in the options of this question. They are:

- Speed: This refers to the ability to run a distance in a short time frame.

- Agility: This is the ability to move easily and quickly in different directions

- Balance: The ability to maintain an upright body position during training or physical activity

- Coordination: The ability to make physical senses of one's body (eye) cooperate with the limbs (hands and feets) during a physical activity.

Note that, Aerobic Endurance and Muscular strength are health-related components of fitness

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3 years ago
During dna replication in a human cell, 6 billion bases must be paired properly. which characteristic of dna best allows for hig
AleksandrR [38]

DNA polymerase III has a subunit for proofreading during DNA replication. As replication continues and the polymerase III enzyme detects a mismatched base pair, through a deformity in the double helix structure, the polymerase backs up, nicks the mismatched base and replaces it with the correct base before continuing replication.   





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"D: A new gene, which codes for the protein that can repair defective genes, is introduced."

Explanation: <span>Gene therapy is an experimental technique that uses genes to treat or prevent disease. In the future, this technique may allow doctors to treat a disorder by inserting a gene into a patient’s cells instead of using drugs or surgery.</span>
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