NEW
Font size
WorksheetsDNA, Genes, Hereditary Test
Total questions: 25
Worksheet time: 17mins
Offspring that result from sexual reproduction are:
A. Never identical to the parents
B.Sometimes identical to the parents
C.Always identical to the parents
D. Identical to other offspring
A
B
C
D
A trait can be determined by:
A. One gene
B.Many genes
C.The environment
D. All of the above
A
B
C
D
Egg and sperm combine during:
A. Asexual reproduction of plants
B. Asexual reproduction of animals
C. Sexual reproduction
D. Cloning
A
B
C
D
In the cells of most organisms, genetic information is contained in the
A.Cell wall
B.Nucleus
C.Organelle
D. All of the above
A
B
C
D
Scientists often use other organisms to study genetics. Fruit flies are sometimes chosen because:
A. They reproduce quickly
B. They cause disease
C. They do not have cells
D. They do not reproduce
A
B
C
D
Diseases that are inherited are usually caused by:
A. Genes
B. Viruses
C. Environmental factors
D. All of the above
A
B
C
D
Which of the following is an example of asexual reproduction?
A. A fish releases sperm which unites with an egg of another fish
B. A worm is split in two and each half grows into a new worm
C. A gray cat is the offspring of a black cat and a white cat D. Flowers from two plants are mated to produce a seed
A
B
C
D
List these structures from largest to smallest.
A. DNA, chromosomes, cells
B. Chromosomes, cells, DNA
C. Cells, DNA, chromosomes
D. Cells, chromosomes, DNA
A
B
C
D
The offspring of asexual reproduction is identical to the parent except in the case of:
A. A clone
B. A genetic mutation
C. Fertilization
A
B
C
Assume that a genetic trait is represented by the letter “a”. Which of the following would be used to represent recessive?
A.AA
B. Aa
C. aa
D. none of the above
A
B
C
D
In the table shown above, the empty square should be filled in as:
A. RR
B. Rr
C. rr
D. RRrr
A
B
C
D
In the table shown above,
Among the offspring, what is the ratio of dominant to recessive for this trait?
A. 3:1
B. 1:3
C. 2:2
D. 1:2:1
A
B
C
D
The table is used to determine the probability of traits in offspring as a result of:
A. Asexual reproduction
B. Sexual reproduction
C. Both a and b
D. None of the above
A
B
C
D
Which of the following methods can provide information on human genetics?
A. Breeding other organisms
B. Studying human pedigrees
C. Examining human DNA
D. All of the above
A
B
C
D
DNA fingerprinting can be used to:
A. Identify a person
B. Diagnose a genetic disease
C. Determine familial relationships
D. All of the above
A
B
C
D
The trade-offs in choosing to be tested for a genetic disease include:
A. You might find out you have the disease
B. It may become difficult to get health insurance
C. Both a and b
D. There are no tradeoffs with this decision
A
B
C
D
One of the first people to study patterns of heredity scientifically was:
A. Mary-Clare King
B. Robert Hooke
C. Antoine Marfan
D. Gregory Mendel
A
B
C
D
Most human cells have ____ copies of each chromosome:
A. 2
B. 4
C. 10
D. 26
A
B
C
D
Two parents are both carriers for a genetic trait that is based on only one gene. This means that their offspring:
A. Cannot have the trait
B. Will all be carriers for the trait
C. Have a 25% chance of inheriting the trait
A
B
C
D
There are not adequate (enough) laws or regulations around GMOs because ___
A. GMOs have not been around long enough for studies of long term effects.
B. Everyone wants to use GMOs.
C. Companies have power in government.
D. All of the above
A
B
C
D
In the punnett square below, what belongs in the missing square
DNA is made of how many main chemicals?
46
23
8
4
Phenotype is _____.
homozygous
what you see, like blue tails or white fur.
the two letters representing your alleles
