The reason why in the absence of Delta, cells become unsynchronized and somites are not formed completely. Concept introduction: In Delta–Notch signaling, Delta from the adjacent cell binds to notch receptor. Intracellular notch tail cleaves and enters the nucleus for transcription. Her7 is an important transcription factor required for somite development in zebra fishes. Delta–Notch signaling activates the Her7 transcription.

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Answer 1

Question

Chapter 21, Problem 15P

Summary Introduction

To explain: The reason why in the absence of Delta, cells become unsynchronized and somites are not formed completely.

Concept introduction: In Delta–Notch signaling, Delta from the adjacent cell binds to notch receptor. Intracellular notch tail cleaves and enters the nucleus for transcription. Her7 is an important transcription factor required for somite development in zebra fishes. Delta–Notch signaling activates the Her7 transcription.

Summary Introduction

To explain: The presence of Delta keeps adjacent cells oscillating in synchrony.

Concept introduction: In Delta–Notch signaling, Delta from the adjacent cell binds to notch receptor. Intracellular notch tail cleaves and enters the nucleus for transcription. Her7 is an important transcription factor required for somite development in zebra fishes. Delta–Notch signaling activates the Her7 transcription.

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There is a species of eagle, which lives in a tropical forest in Brazil. The alula pattern of its wings is determined by a single autosomal gene with four alleles that exhibit an unknown hierarchy of dominance. Genetic testing shows that individuals 1-1, 11-4, 11-7, III-1, and III-4 are each homozygous. How many possible genotypes among checkered eagles in the population?

Answer 2

Question

Chapter 21, Problem 15P

Summary Introduction

To explain: The reason why in the absence of Delta, cells become unsynchronized and somites are not formed completely.

Concept introduction: In Delta–Notch signaling, Delta from the adjacent cell binds to notch receptor. Intracellular notch tail cleaves and enters the nucleus for transcription. Her7 is an important transcription factor required for somite development in zebra fishes. Delta–Notch signaling activates the Her7 transcription.

Summary Introduction

To explain: The presence of Delta keeps adjacent cells oscillating in synchrony.

Concept introduction: In Delta–Notch signaling, Delta from the adjacent cell binds to notch receptor. Intracellular notch tail cleaves and enters the nucleus for transcription. Her7 is an important transcription factor required for somite development in zebra fishes. Delta–Notch signaling activates the Her7 transcription.

Expert Solution & Answer

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Answer 3

Question

Chapter 21, Problem 15P

Summary Introduction

To explain: The reason why in the absence of Delta, cells become unsynchronized and somites are not formed completely.

Concept introduction: In Delta–Notch signaling, Delta from the adjacent cell binds to notch receptor. Intracellular notch tail cleaves and enters the nucleus for transcription. Her7 is an important transcription factor required for somite development in zebra fishes. Delta–Notch signaling activates the Her7 transcription.

Summary Introduction

To explain: The presence of Delta keeps adjacent cells oscillating in synchrony.

Concept introduction: In Delta–Notch signaling, Delta from the adjacent cell binds to notch receptor. Intracellular notch tail cleaves and enters the nucleus for transcription. Her7 is an important transcription factor required for somite development in zebra fishes. Delta–Notch signaling activates the Her7 transcription.

Expert Solution & Answer

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Answer 4

Question

Chapter 21, Problem 15P

Summary Introduction

To explain: The reason why in the absence of Delta, cells become unsynchronized and somites are not formed completely.

Concept introduction: In Delta–Notch signaling, Delta from the adjacent cell binds to notch receptor. Intracellular notch tail cleaves and enters the nucleus for transcription. Her7 is an important transcription factor required for somite development in zebra fishes. Delta–Notch signaling activates the Her7 transcription.

Summary Introduction

To explain: The presence of Delta keeps adjacent cells oscillating in synchrony.

Concept introduction: In Delta–Notch signaling, Delta from the adjacent cell binds to notch receptor. Intracellular notch tail cleaves and enters the nucleus for transcription. Her7 is an important transcription factor required for somite development in zebra fishes. Delta–Notch signaling activates the Her7 transcription.

Expert Solution & Answer

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Answer 5

Chapter 21, Problem 15P

Summary Introduction

To explain: The reason why in the absence of Delta, cells become unsynchronized and somites are not formed completely.

Concept introduction: In Delta–Notch signaling, Delta from the adjacent cell binds to notch receptor. Intracellular notch tail cleaves and enters the nucleus for transcription. Her7 is an important transcription factor required for somite development in zebra fishes. Delta–Notch signaling activates the Her7 transcription.

Summary Introduction

To explain: The presence of Delta keeps adjacent cells oscillating in synchrony.

Concept introduction: In Delta–Notch signaling, Delta from the adjacent cell binds to notch receptor. Intracellular notch tail cleaves and enters the nucleus for transcription. Her7 is an important transcription factor required for somite development in zebra fishes. Delta–Notch signaling activates the Her7 transcription.

Answer 6

Chapter 21, Problem 15P

Summary Introduction

To explain: The reason why in the absence of Delta, cells become unsynchronized and somites are not formed completely.

Concept introduction: In Delta–Notch signaling, Delta from the adjacent cell binds to notch receptor. Intracellular notch tail cleaves and enters the nucleus for transcription. Her7 is an important transcription factor required for somite development in zebra fishes. Delta–Notch signaling activates the Her7 transcription.

Answer 7

Chapter 21, Problem 15P

Summary Introduction

To explain: The reason why in the absence of Delta, cells become unsynchronized and somites are not formed completely.

Concept introduction: In Delta–Notch signaling, Delta from the adjacent cell binds to notch receptor. Intracellular notch tail cleaves and enters the nucleus for transcription. Her7 is an important transcription factor required for somite development in zebra fishes. Delta–Notch signaling activates the Her7 transcription.

Answer 8

Summary Introduction

To explain: The presence of Delta keeps adjacent cells oscillating in synchrony.

Concept introduction: In Delta–Notch signaling, Delta from the adjacent cell binds to notch receptor. Intracellular notch tail cleaves and enters the nucleus for transcription. Her7 is an important transcription factor required for somite development in zebra fishes. Delta–Notch signaling activates the Her7 transcription.

Answer 9

Summary Introduction

To explain: The presence of Delta keeps adjacent cells oscillating in synchrony.

Concept introduction: In Delta–Notch signaling, Delta from the adjacent cell binds to notch receptor. Intracellular notch tail cleaves and enters the nucleus for transcription. Her7 is an important transcription factor required for somite development in zebra fishes. Delta–Notch signaling activates the Her7 transcription.

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 21 - Prob. 1P Ch. 21 - Prob. 2P Ch. 21 - Prob. 3P Ch. 21 - Prob. 4P Ch. 21 - Prob. 5P Ch. 21 - Prob. 6P Ch. 21 - Prob. 7P Ch. 21 - Prob. 8P Ch. 21 - Prob. 9P Ch. 21 - Prob. 10P

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