WorksheetsUnit 3: Genetics & Heredity Review
Total questions: 20
Worksheet time: 10mins
Which characteristic cannot be inherited?
the ability to win a soccer game
length of fur in dogs
shape of ears in pigs
height of stem in a sunflower plant
Which statement correctly describes the mechanism of inheritance?
Alleles from heterozygous chromosomes determine traits.
Chromosomes on homozygous genes determine traits.
Alleles on homologous chromosomes determine traits.
Homologous chromosomes determine the genes for a trait.
If a long tail is a dominant characteristic, in which case is the characteristic of a long tail definitely expressed?
when both parents have a long tail
when at least one parent has a long tail
when neither allele contains instructions for a long tail
when at least one allele contains instructions for a long tail
What did Mendel's cross-pollination of pea plants prove?
Each parent only passes on one-half of its hereditary factors to each offspring.
It takes four generations of offspring to identify the parents' factors.
There is no such thing as a true-breeding plant; they all have hidden factors.
Inherited factors combine in offspring to create entirely new characteristics.
The lion-tailed macaque is a species of Old World monkey. Which group will the lion-tailed macaque reproduce with?
other macaques
any Old World monkeys
other lion-tailed macaques
any monkey species
What determines the similarities in anatomical features among organisms?
geographical location
weather and climate
shared habitat
genes and chromosomes
What is the relationship among chromosomes, genes, and DNA ?
DNA reads the nucleotide sequences found in genes. Genes are located on tightly wound structures called chromosomes.
Genes are made up of tightly wound strands of DNA . Chromosomes are made up of one or more genes.
Chromosomes are sections of DNA found on genes. Genes are long, tightly would strands of DNA .
Genes read the DNA code found on chromosomes. Chromosomes are long tightly wound strands of DNA .
What is true of the genetic makeup of all body cells in the human body except for sex cells?
It is different based on the cell type.
It is the same no matter what the cell type.
It is random even within the same cell type.
It is used to sort cells into organs based on chromosomal differences.
A botanist has the juiciest tomatoes in his backyard garden. What is true about these tomatoes?
They are saltier, so they absorb more water from their surroundings, making them juicier.
They are grown by someone with a green thumb, so they grow better.
They are grown from seeds that come from plants that produce juicier fruit.
They are watered more often than tomatoes grown in other gardens.
Which headline would be an example of genetic engineering?
Mrs. O'Hara Gives Birth to Fourth Redhead
Farmer Brown's Pigs: Best Quality Ham for the Money
Liver Cells Improves Clotting Time in Hemophilia Patients
Bacteria Make Human Insulin
Which headline would be an example of gene therapy?
Pet Fish Glow under Ultraviolet Light
Farmer Brown's Pigs Have Less Saturated Fat
Prize Winning Orchid Is a Hybrid
Gene Added to Bone Marrow Improves Immune System Function
A frog is the best jumper in the pond due to its long legs. What is true about this frog's heritable traits?
Its parents passed on genes for jumping distances through the chromosomes found in their gametes.
Its parents taught it the tricks to jumping farther.
Its parents passed on genes for longer legs through the chromosomes found in their gametes.
It spent more time practicing jumping greater distances.
What is true of all body cells except sex cells?
Each cell type carries chromosomes and genes that identify it as that specific type of cell. For example, skin cells have different chromosomes and genes than muscle cells.
Each body cell contains the same number and kinds of chromosomes for that organism. The chromosomes contain the same number and kinds of genes for that individual.
While each cell in the body contains the same number of chromosomes, each cell type has different genes along those chromosomes.
While each cell type in the body contains the same kinds of genes, they are organized on different chromosomes depending on the cell type.
What is the relationship among cells, chromosomes, genes, and DNA ?
DNA is a double-helix structure found in the cell nucleus. Chromosomes straighten out the DNA so the code can be read by genes.
DNA is straightened by genes which are contained in the chromosomes of a cell.
Chromosomes are tightly wound strands of DNA located in cells. Genes are sections of DNA .
Tightly wound strands of chromosomes contain genes and are found in cells. The genes are coded sequences of nucleotides read by DNA .
What determines the similarities in anatomical features among organisms?
location on Earth
environmental conditions
predator-prey relationships
chromosomes and genes
Which two species are most closely related?
wolf and dog
dog and rabbit
human and dolphin
giraffe and horse
What did Mendel's cross-pollination of pea plants prove?
Certain factors are dominant, and other factors are recessive.
Crossing a tall plant with a tall plant will always result in a tall plant.
Inheritance of certain factors is dependent upon the genetic code.
All the cells in an organism carry the same hereditary factors.
If a tall stem is a dominant characteristic, in which case is the characteristic of tall definitely expressed?
when neither allele contains instructions for tall
when at least one allele contains instructions for tall
when at least one parent is tall
when both parents are tall
What are genes?
the observable characteristic
the expressed trait
the basic unit of inheritance
the measurable factor
Which characteristic can be inherited?
long toes
short temper
sense of humor
acting ability
