WorksheetsREVIEW: Genes, Chromosomes, and DNA
Total questions: 20
Worksheet time: 10mins
What is a gene?
A molecule made of a nitrogen base, a sugar, and a phosphate
A short length of DNA that codes for a chromosome
A short length of DNA that codes for a protein
Coiled and condensed fibers that form chromosomes
What is the condensed form of DNA called?
Chromosome
Gene
Nucleotides
Nucleus
Which of the following are the DNA nucleotides?
Adenine (A)
Thymine (T)
Uracil (U)
Cytosine (C)
Guanine (G)
What makes up the "rungs of the ladder" in a DNA molecule?
Sugar and phosphate
Nitrogen base pairs
Nucleotides
Protein
DNA ________ is a process by which DNA copies itself
replication
synthesis
all of the above
none of the above
What makes up the sides of a DNA molecule?
Sugar and phosphate
Nitrogen base pairs
Nucleotides
Proteins
This is an example of
Homologous Chromosomes
Sister Chromatids
Homologous Chromatids
Decondensed DNA
This is an example of
Homologous Chromosomes
Non-homologous Chromosomes
Sister Chromatids
Duplicated DNA
This is an example of
Homologous Chromosomes
Non-homologous Chromosomes
Sister Chromatids
Duplicated DNA
Cytosine always pairs with
Adenine
Guanine
Thyamine
Uracil
Guanine always pairs with
Cytosine
Adenine
Thymine
Uracil
Thymine always pairs with
Adenine
Cytosine
Guanine
Uracil
Adenine always pairs with
Thymine
Cytosine
Guanine
Uracil
Sister Chromatids are...
Exact copies of each other attached at the centromere
Homologous copies of each other attached at the centromere
Not copies at all, they are different, but they are attached at the centromere
Different sizes with different genes, not attached.
What is the shape of DNA called?
Twisted Ladder
Double Helix
Spiraled Molecule
Ladder Helix
What are the four nitrogenous bases?
Ribose, Deoxyribose, protein, amino acids
Cytosine, Uracil, Thymine, Adenine
Sugar, phosphate, protein, amino acids
Guanine, Cytosine, Thymine, Adenine
Which of these is the correct order showing the largest to smallest parts of genetic material?
DNA, Cell Membrane, Cell Nucleus Chromosomes, and Genes
Cell Nucleus, Cell Membrane, Chromosomes, Genes, and DNA
DNA, Genes, Cell Membrane, Cell Nucleus, and Chromosomes
Cell Membrane, Cell Nucleus, Chromosomes, DNA, and Genes
Which statement best describes DNA's relationship to a gene and chromosome?
A gene contains several chromosomes, and chromosomes are made from DNA.
A gene is a short section of DNA, and a chromosome is made from DNA.
DNA is made of chromosomes, and a gene contains DNA.
DNA is coiled into a chromosome, and a gene holds the chromosome together.
DNA contains hereditary information for life. How would the following components of DNA be arranged, smallest to largest?
genes, chromosomes, nucleus, nitrogen bases
chromosomes, nitrogen bases, genes, nucleus
nitrogen bases, genes, chromosomes, nucleus
nucleus, chromosomes, genes, nitrogen bases
