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WorksheetsChapter 5/6
Total questions: 46
Worksheet time: 23mins
Which statement is NOT true?
One gene can influence many traits.
Genes are the only influence on traits>
The environment can have an influence on traits.
In what way does asexual reproduction relate to humans?
many body cells reproduce this way.
none of our body cells reproduce this way.
the parent cells do not divide.
What are chromosomes that carry the same sets of genes ?
twin chromosomes
ordinary chromosomes
homologous chromosomes
This diagram is used to trace a trait through generations of a family.
selective breeding
pedigree
meiosis
What carries the genes that determine sex?
sex chromosomes
phenotype
homologous chromosomes
What is the name for the way cells divide in asexual reproduction.
homologous
mitosis
meiosis
How are sex cells different from other human cells?
Sex cells have half as many chromosomes.
Sex cells are larger
Sex cells have no chromosomes
Why do sex-linked disorders occur more often in males?
Males have two X chromosomes.
Males have two Y chromosomes.
Males have only one X chromosome.
When an offspring is different from both parents, they are produced by .
mitosis
sexual reproduction
asexual reproduction
What is it called when cells are copied with half the number of chromosome?
meiosis
mitosis
sex cells
What is the first step in making a protein?
RNA copying DNA
Transfer RNA matching mRNA
amino acids linked together
Nucleotides are made of a sugar, a phosphate, and a
protein
base
gene
What subunits is DNA made of?
nucleotides
proteins
traits
What letters represent the four bases?
E, Y, A, O
A, T, G, C
A, B, C, D
Watson and Crick built a DNA model like a
Piece of twine
straight line
long, twisted ladder
A messenger RNA is fed through the ribosome it is matched with
cells
transfer RNA
DNA
How does a DNA molecule split?
down the middle
across the top
along the sides
What are the "rungs" of the DNA ladder made of ?
a pair of sugars
a pair of bases
a pair of phosphates
The sides of the DNA "ladder" are made of
guanine and thymine.
adenine and cytosine
sugar and phosphate
Which is the first step of DNA replication?
a strand of DNA splits down the middle
Two complete, identical strands of DNA pair up
Adenine and thymine make a base pair.
When you use DNA to identify who committed a crime is
genetic disease
genetic engineering
DNA fingerprinting
The first step of protein production is?
RNA making a mirror - like copy of a DNA sequence
tRNA dropping amino acids
mRNA going through a ribosome
sickle cell anemia and some other genetic disorders are due to?
genetic engineering
a mutation
a ribosome
How many bases does the code for a given amino acid consist of?
four
three
two
The materials that make up each nucleotide in a DNA molecule are?
amino acid, base, and protein
chromosomes and genes
sugar, phosphate, and base
Which type of mutation causes sickle cell anemia?
substitution
deletion
insertion
What strand is complementary to the DNA sequence TAGTCA?
ATGAGT
ATCAGT
GTAGAT
What determines how tall you grow and if you have straight or curly hair.
proteins
RNA
a chromatid
Ribnonucleic acid, present in living cells and that plays a role in protein production
RNA
DNA
Meiosis
A cell organelle composed of RNA and protein
Nucleotide
Mutation
Ribosome
Subunit that consists of a sugar, phosphate, and a nitrogenous base.
Nucleotide
Mutation
Sex Chromosome
One of the pair of chromosomes that determine the sex of an individual.
Sex Chromosome
DNA
Meiosis
Diagram that shows the occurrence of a genetic trait in several generations of a family
Mutation
Pedigree
Meiosis
A change in the nucleotide-base sequence of a gene or DNA molecules.
Mutation
Pedigree
DNA
Deoxyribonucleic acid, present in living cells and contains the information that determines traits.
DNA
RNA
Nucleotide
Cell division during which the number of chromosomes decreases to half the original number.
Ribosome
Mutation
Meiosis
The passing of genetic traits from parent to offspring.
Heredity
Probability
Phenotype
An organism appearance or other detectable characteristic.
Allele
Genotype
Phenotype
Chromosomes that have the same sequence of genes and the same structure.
Genotype
Homologous Chromosomes
Recessive Trait
Trait that is apparent only when two recessive alleles for the same characteristic are inherited.
Dominant Trait
Recessive Trait
Phenotype
Trait observed in the first generation when parents that have different traits are bred.
Recessive Trait
Dominant Trait
Genotype
One set of instructions for an inherited trait
Gene
Allele
Probability
One of the alternate forms of a gene that governs a characteristic.
Gene
Allele
Genotype
Entire makeup of an organisms
Phenotype
Genotype
Allele
Entire makeup of an organisms
Phenotype
Genotype
Allele
What are the four types of nucleotides?
Adenine, Thymine, Guannine, Cytosine
Nucleotide, Genotype, Phenotype
Guannine,Ribosome, Meiosos,Mutation
