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Cell Reproduction
Test Description: Regents Prep
Instructions: Answer all questions to get your test result.
1) Which statement describes asexual reproduction?
A
It always enables organisms to survive in changing environmental conditions.
B
Adaptive traits are usually passed from from parent to offspring without genetic modification.
C
Mutations are not passed from generation to generation
D
It is responsible for many new variations in offspring.
2) Reproduction in humans usually requires
A
the process of cloning
B
the external fertilization of sex cells
C
mitotic cell division of gametes
D
gametes with chromosomes that are not paired.
3) Meiosis and fertilization are important for the survival of many species because these two processes result in
A
large numbers of gametes
B
increasingly complex multicellular organisms
C
cloning of superior offspring
D
genetic variability of offspring
4) Which statement is true for both mitosis and meiosis?
A
The number of chromosomes is reduced by half
B
DNA replication occurs before the division of the nucleus
C
Both occur only in reproductive cells
D
Both are involved in asexual reproduct
5) Human egg cells are most similar to human sperm cell to human sperm cells in their
A
shape and size
B
chromosome number
C
amount of stored food
D
degree of motility
6) Hereditary traits are transmitted from generation to generation by means of
A
proteins in body cells
B
carbohydrates in body cells
C
specific starches making up DNA in reproductive cells.
D
specific sequences of bases in DNA in reproductive cells
7) The genetic code of a DNA molecule is determined by a specific sequence of
A
molecular bases
B
ATP molecules
C
sugar molecules
D
chemical bonds
8) Most of the hereditary information that determines the traits of an organism is located in
A
certain genes in the vacuoles of body cells.
B
the numerous ribosomes in certain cells.
C
only those cells of an individual produced by meiosis.
D
the nuclei of body cells of an individual.
9) The instructions for the traits of an organism are coded in the arrangement of
A
glucose units in carbohydrate molecules.
B
energy-rich bonds in starch molecules.
C
bases in DNA in the nucleus.
D
fat molecules in the cell membrane
10) What does the process of transcription produce?
A
tRNA
B
DNA
C
RNA
D
mRNA
*select an answer for all questions
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