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WorksheetsGenetics Exam Review
Total questions: 30
Worksheet time: 15mins
The ability to roll one's tongue is an inherited trait. which of the following is responsible for a person having this trait?
The environmental influence of family members
The genetic instructions in one's chromosomes
The ability for an individual to teach him or herself
The DNA inside an individual's brain
Which sentence best describes the relationship between genes and chromosomes?
Genes are found within chromosomes.
Several chromosomes make up one gene.
Genes and chromosomes are the only things that form the nucleus.
Several genes are attached to different parts of the Golgi apparatus.
Some dogs are bred for speed, while others are bread to have an amazing sense of smell. What is the main influence on whether a dog will become a race dog or be a search dog?
Its diet
its temperament
The training it receives after birth
The genes it inherits from its parents
Which of the following defines heredity?
The study of how characteristics are passed on from parent to offspring
The ability of organisms to adapt to their environment
The passage of genetic instructions from one generation to the next
The manipulated changing of a trait in an organism
Which of the following would be an example of sexual reproduction?
A strawberry plant that reproduces through runners in the ground
A starfish that reproduces by breaking off and regenerating parts of its body
An amoeba that splits through binary fission
A chicken egg that is fertilized by a rooster
What type of reproduction is more conducive to evolution due to the increased genetic diversity it creates?
Binary fission
Sexual
Asexual
Budding
Humans reproduce
Sexually
Asexually
How many parents are needed for asexual reproduction?
One
Two
How many parents are needed for sexual reproduction?
One
Two
Light hair (h) is recessive to dark hair (H). If 2 light haired people have children, what is the probability that their offspring will also have light hair?
25%
50%
75%
100%
Where is the DNA located in the cell?
Cell membrane
Nucleus
Ribosomes
Proteiin
What percent of children would you expect to be male?
(a)
What percent of children would you expect to be female?
(a)
Which sex chromosome is present in both male and female?
(a)
The two male sex chromosomes are XY.
agree
disagree
Female always gives an X chromosome during fertilization.
agree
disagree
Male sex chromosome determines the sex of an offspring.
agree
disagree
BB
Dominant
Bb
Dominant
bb
Recessive
A dominant trait is....
A trait that always comes out
A trait that is always hidden
A mutation
An angry gene
How many chromosomes do humans have?
23
92
46
184
How do we write DOMINANT alleles?
Capital letters
Lower case
How do we write recessive alleles?
Capital letters
Lower case
An individual has the phenotype Bb. Will they express the dominant or recessive trait?
Recessive
Dominant
DNA is stored in the _________ of cells.
Mitochondria
Nucleus
Endoplasmic Reticulum (E.R.)
What is represented in the picture?
Gene
Allele
Chromosome
Nucleus
Is this an example of a genotype or a phenotype:
blue eyes
genotype
phenotype
Is this an example of a genotype or a phenotype:
YY
genotype
phenotype
Is this an example of a genotype or a phenotype:
tall
genotype
phenotype
Is this an example of a genotype or a phenotype:
Aa
genotype
phenotype
Is this an example of a genotype or a phenotype:
curly hair
genotype
phenotype
