Dna Organization In Chromosomes - Concepts of Genetics | Biology+

Course

Genetics

Study Pack

Set 1: Introduction to Genetics

Set 2: Mitosis and Meiosis

Set 3: Mendelian Genetics

Set 4: Extensions of Mendelian Genetics

Set 5: Chromosome Mapping in Eukaryotes

Set 6: Genetic Analysis and Mapping in Bacteria and Bacteriophages

Set 7: Sex Determination and Sex Chromosomes

Set 8: Chromosome Mutations: Variation in Number and Arrangement

Set 9: Extranuclear Inheritance

Set 10: DNA Structure and Analysis

Set 11: DNA Replication and Recombination

Set 12: DNA Organization in Chromosomes

Set 13: The Genetic Code and Transcription

Set 14: Translation and Proteins

Set 15: Gene Mutation,dna Repair,and Transposition

Set 16: Regulation of Gene Expression in Bacteria

Set 17: Transcriptional Regulation in Eukaryotes

Set 18: Post-Transcriptional Regulation in Eukaryotes

Set 19: Epigenetic Regulation in Eukaryotes

Set 20: Recombinant Dna Technology

Set 21: Genomic Analysis

Set 22: Applications of Genetic Engineering and Biotechnology

Set 23: Developmental Genetics

Set 24: Cancer Genetics

Set 25: Quantitative Genetics and Multifactorial Traits

Set 26: Population and Evolutionary Genetics

Set 27: CRISPR and Genomic Editing

Set 28: DNA Forensics

Set 29: Genomics and Precision Medicine

Set 30: Genetically Modified Foods

Set 31: Gene Therapy

Set 32: Advances in Neurogenetics: The Study of Huntington Disease

Set 12 Dna Organization In Chromosomes

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Set 12 Dna Organization In Chromosomes

(Multiple Choice)

Free

This figure represents supercoiled,circular,double- stranded DNA:

This figure represents supercoiled,circular,double- stranded DNA: If this molecule of DNA originated as a linear molecule with a linking number L of 30,which was then circular unwound,the L for the unwound circular molecule would be_________ . A)28 B)30 C)18 D)20 E)32

If this molecule of DNA originated as a linear molecule with a linking number L of 30,which was then circular unwound,the L for the unwound circular molecule would be_________ .

A)28
B)30
C)18
D)20
E)32

Answer

(Multiple Choice)

Free

In which of the following ways do polytene chromosomes differ from other chromosomes?

A)Polytene chromosomes represent uncoiled versions of meiotic chromosomes.
B)Polytene chromosomes are multiple copies of identical single- stranded DNA.
C)Polytene chromosomes can only be found in bacteria.
D)Polytene chromosomes are separated but not replicated.
E)Polytene chromosomes are replicated but not separated.

Answer

(Multiple Choice)

Free

Viral chromosomes exist in a variety of conformations and can be made up of _________

A)RNA only
B)DNA only
C)protein- or lipid- coding sequences
D)DNA or RNA
E)DNA,RNA,or protein

Answer