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Bio 1201 Chapter 21 – LiCata | 2025/2026 | Exam Questions and Answers | A+ Score Assured

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This study guide for Bio 1201 Chapter 21 by LiCata (2025/2026) provides accurate, A+ level answers to questions on genomics and bioinformatics. Key topics include the Human Genome Project, genome sequencing methods (shotgun, physical mapping), gene annotation, BLAST tools, transposons and retrotransposons, gene duplication, exon shuffling, and comparative genomics. Also discussed are specific genes from chromosome 17 and their roles in development, immunity, and cell cycle regulation. A strong resource for mastering genetic data analysis and genome evolution. Keywords: Human Genome Project BLAST genome sequencing shotgun sequencing linkage map chromosome 17 Hox genes gene duplication transposons retrotransposons bioinformatics alternative splicing junk DNA exon shuffling comparative genomics GH1 gene TP53 MPO gene Chapter 21 genomics

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Bio 1201 Licata Chapter 21 2025/2026
Exam Questions and Answers | A+ Score
Assured



What was the main goal of the Human Genome Project (HGP)? - 🧠

ANSWER ✔✔to map all the human genes and determine the nucleotide

sequence of the entire human genome

BLAST is a computational tool used by genome biologists to compare

_____. - 🧠 ANSWER ✔✔a given DNA or protein sequence to all other DNA

or protein sequences in a database

, Which of the following statements about genome sizes is true? - 🧠

ANSWER ✔✔Most eukaryotes have larger genomes than most

prokaryotes.


The number of genes correlates with _____. - 🧠 ANSWER ✔✔the size of

the genome in prokaryotes

What type of noncoding DNA comprises the largest portion of multicellular

eukaryotic genomes? - 🧠 ANSWER ✔✔transposons


How do retrotransposons differ from other transposons? - 🧠 ANSWER

✔✔Retrotransposons move via an RNA transcript, whereas other

transposons do not.

How has gene duplication played a critical role in evolution? - 🧠 ANSWER

✔✔It produces redundant copies of existing genes, which are then free to

mutate and adopt new functions.

By what mechanism might transposons contribute to gene duplication? - 🧠

ANSWER ✔✔Transposons may promote unequal crossing over during

meiosis.

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