View the step-by-step solution to: Part I Original DNA Strand:

Part I Original DNA Strand: 3’-TACCCTTTAGTAGCCACT-5’ Transcription (base sequence of RNA): 5'-AUG/GGA/AAU/CAU/CGG/UGA-3' Translation (amino acid sequence): What is the significance of the first and last codons? Explanation: What meaning do these codons have for protein synthesis? Explanation: Mutation Transcriptions Original sequence: 3’- TACCCTTTAGTAGCCACT-5’ Transcribe the Mutations of RNA: 3’-TACGCTTTAGTAGCCATT-5' 3’-TAACCTTTACTAGGCACT-5’. Transcriptions of Mutations: Translations of Mutations (amino acid sequences for each): Does the protein sequence change for either of these examples? If so, how? Response: Explain in general why a change in amino acid sequence might affect protein function. Explanation: GRAPHIC ORGANIZER Part II Punnett Square a. Chances (%) for healthy child, not a carrier b. Chances (%) for child that is carrier for cystic fibrosis trait c. Chances (%) for child with cystic fibrosis Fill out/adapt Punnett Square: a. Chances (%) for healthy child, not a carrier: b. % for child that is carrier for cystic fibrosis trait: c. % for child with cystic fibrosis: Part III How do both meiosis and sexual reproduction (fertilization) produce offspring that differ genetically from the parents? • Include steps in meiosis that increase variability • Include the process of fertilization. Explanation: References
StevensDeanneIP3SCIE.docx

Questions

Student Response

Part I
Original DNA Strand:

Transcription (base sequence of RNA):

Translation (amino acid sequence):
3­TACCCTTTAGTAGCCACT­5
5'-AUG/GGA/AAU/CAU/CGG/UGA-3'

What is the significance of the first and last codons?

Explanation:

What meaning do these codons have for protein
synthesis?

Explanation:

Mutation Transcriptions
Original sequence:

Transcribe the Mutations of RNA:
3­ TACCCTTTAGTAGCCACT­5

Transcriptions of Mutations:

3­TACGCTTTAGTAGCCATT­5'

3­TAACCTTTACTAGGCACT­5.

Translations of Mutations (amino acid
sequences for each):

Does the protein sequence change for either
of these examples? If so, how?

Response:

Explain in general why a change in amino
acid sequence might affect protein function.

Explanation:

GRAPHIC ORGANIZER
Fill out/adapt Punnett Square:

Part II
Punnett Square

a. Chances (%) for healthy child, not a
carrier
b. Chances (%) for child that is carrier for
cystic fibrosis trait
c. Chances (%) for child with cystic
fibrosis
a. Chances (%) for healthy child, not a
carrier:
b. % for child that is carrier for cystic
fibrosis trait:
c. % for child with cystic fibrosis:
Part III
How do both meiosis and sexual reproduction
(fertilization) produce offspring that differ genetically from
the parents?




Include steps in meiosis that increase variability
Include the process of fertilization.

References

Explanation:

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