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WorksheetsHeredity Test
Total questions: 33
Worksheet time: 17mins
What is the main difference between sexual and asexual reproduction?
Only complex organisms reproduce sexually and only simple organisms reproduce asexually
Sexual reproduction requires two parents whereas asexual reproduction requires only one.
Sexual reproduction requires only one parent whereas asexual reproduction requires two
Only complex organisms reproduce asexually and only simple organisms reproduce sexually
What is a "genetic mutation"?
When two parents mix their genetic codes to produce offspring
A fractured cell membrane or nuclear membrane
a genetic mistake; a permanent change in the DNA code
When an organism is born with a missing chromosome
What is "genetics"
The process of cell division
The copying of new genetic material
The process of sexual or asexual reproduction
The study of how genes/traits pass from parent to offspring
What is the section of a chromosome that codes for a trait called?
Cell
Gene
Chromatid
DNA
Which of the following types of organisms contain DNA?
Animals
Viruses
Plants
All of the organisms
None of the organisms
What is the genetic code which specifies an organism's traits called
Phenotype
Genotype
Chromosomes
Gametes
An organism has two different alleles for the same trait is said to be
Homozygous
Recessive
Dominant
Heterozygous
What is an allele?
The gene responsible for the height of an organism
One possible genotype
One of two or more different versions of the same gene
One parental chromosome
Mutations cause changes in
Electrons
Proteins
Protons
Nucleus
You might observe that someone has unattached earlobes, this is an example of the _______________for the trait.
Genotype
Phenotype
Gene
Allele
What is meiosis
A type of cell division that results in 4 daughter cells each having the same number and kind of chromosomes as the parent nucleus
A process in which one diploid cell divides to make 2 haploid sex cells
A type of cell division that results in 2 daughter cells each having the same number and kind of chromosomes as the parent nucleus
A process in which one diploid cell divides to make 4 haploid sex cells
Two pea plants are crossed. Each parent has a dominant allele for height (H) and a recessive allele for height (h). Create a punnett square crossing the two parents . What is the expected percentages of each genotype for the offspring of these parents?
25% HH
50% Hh
25% hh
50% HH
25% Hh
25% hh
25% HH
25% Hh
50% hh
75% HH
25% Hh
0% hh
Which of the following can affect an organism's phenotype?
Genes
Environment
People you interact with
All of the above
Strawberry plants can reproduce both sexually and asexually. Strawberry farmers use both kinds of reproduction, depending on the desired outcome. In which of the following situations would a farmer most likely want the strawberry plants to reproduce sexually?
When developing new varieties of fruit
When making identical copies of a plant
When producing fruit that is all the same size
When growing many new plants from cuttings
Where in the cell is DNA found?
Golgi apparatus
Centriole
Nucleus
Cytoplasm
The sides of the helix labeled A are made of
Sugar-Phospate
Nitogenous-Phospate
Phosphate-nucleotide
Nitrogenous-Phosphate
____________bases, labeled as B, form the rungs of the helix
Phosphate
Nucleotide
Nitongenous
Sugar
A ________is labeled C and shows a base, a sugar, and a phosphate group
Nucleic Acid
Nucleotide
Nitrogenous base
Phosphate group
How many copies of each gene do you have?
25,000
46
2
23
How many total chromosomes do humans have?
46
23
2
0
What is mitosis
A type of cell division that results in 4 daughter cells each having the same number and kind of chromosomes as the parent nuclus
A process in which one diploid cell divides to make 2 haploid sex cells
A type of cell division that results in 2 daughter cells each having the same number and kind of chromosomes as the parent nucleus
A process in which one diploid cell divides to make 4 haploid sex cells
What is the name of the process displayed in the small diagram?
Cytokinesis
Mitosis
Divergence
Meiosis
Which set of traits below are both genetic?
Eye color and skin tone
Tattoos and piercings
Height and Weight
Knowledge and happiness
Which of the following sex chromosomes shows a typical female?
CG
XY
XX
YY
What kinds of activities can cause genetic mutations in humans?
Sleeping and watching TV
Running and sports
Washing dishes and doing laundry
Exposure to UV light and smoking
A homologous chromosome is
Single chromosome from one parent
Single chromosome that has crossed over
Pair of chromosomes with different information
Pair of similar chromosomes with similar information
Which of the following organisms can reproduce asexually?
Kangaroo
Starfish
Bears
Dogs
Of the following, which represents a homozygous dominant genotype
TTT
Tt
TT
tt
Mutations can be
Harmful
Beneficial
Neutral
All answer choices are correct
Which of the following can influence the growth of a plant?
Nutients
Light
Temperature
Humidity
All of the answer choices are correct
Which is an example of a mutation that could be harmful to and organism?
Albinism (little or no color) in a snowy environment
Malaria resistance
Lactose tolerance
Hairlessness in a snowy environment
Which of the following is not an advantage of sexual reproduction
Parental care increases chance that offspring will survive
The species can adapt to new environments due to variation
Disease is less likely to affect all the individuals in a population due to variation
Decreased gestation (time it takes to produce offspring)
Which of the following is not always an advantage of asexual reproduction?
Offspring are clones of parent
No mate needed
Little or no parental care required
Rapid reproduction
