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WorksheetsDNA & Cellular Reproduction ADV
Total questions: 33
Worksheet time: 1hrs 23mins
What is a gene?
An entire strand of DNA
Bundles of tightly coiled DNA
A section of a DNA strand that holds instructions for proteins
An organelle in a cell
DNA is located in the ______ of a cell.
Cytoplasm
Mitochondria
Cell membrane
If a cell uses mitosis to reproduce, it is performing. . .
Sexual reproduction
Asexual reproduction
How many chromosomes will cells produced by mitosis have?
23
46
2
4
How many chromosomes does a nerve cell have?
23
2
4
Linda finds a cell that contains 23 chromosomes in its nucleus. Which of the following could be the cell that Linda has found?
Egg cell
White blood cell
Skin cell
Bone marrow cell
Which of the following describe the outcome of meiosis? Select all that apply.
46 chromosomes each
23 chromosomes each
4 daughter cells
2 daughter cells
Somatic cells
Select all answers that describe a somatic cell.
Haploid
46 chromosomes
Formed during mitosis
Formed during meiosis
Diploid
This process is called . . .
Meiosis
Mitosis
DNA replication
Crossing over
Why do cells perform mitosis? Select all that apply.
To replace dead/damaged cells
To make new cells for tissue growth
To make sex cells
To make haploid cells
How many chromosomes with the daughter cells have?
46
2
4
Select all that describe the end result of meiosis.
46 chromosomes
Non-identical
4 daughter cells
Diploid
Gametes
How many parents are required for sexual reproduction?
0
1
2
3
Randy discovers an organism that reproduces using asexual reproduction. Which of the following organisms could this be?
Parrot
Salmonella bacteria
Human
Horse
What occurs in the cell cycle before mitosis? (Select all that apply)
Cell growth
Cell divides
DNA replication
When does this process occur?
During mitosis
During meiosis
During cell division
During fertilization
Which of the following describes sexual reproduction?
Promotes genetic diversity
Requires 1 parent
Occurs in single-celled organisms like bacteria
Offspring are identical to parent
A chromosome is made of coiled up ___________.
cells
nuclei
DNA
What is A?
Gene
DNA
Chromosome
Cell
What is B?
Gene
DNA
Chromosome
Cell
What is C?
Gene
DNA
Chromosome
Cell
Asexual reproduction and sexual reproduction both involve one parent
Sexual reproduction involves making clones and asexual reproduction creates diverse/different offspring
Asexual reproduction creates clones and sexual reproduction creates diverse/different offspring
Only one parent needed
Offspring are exact copies of parents
Happens very quickly
Needs two parents
What happens to the amount of DNA in the nucleus just before the beginning of mitosis and why?
The amount of DNA is doubled so that the two new cells each have the same original amount
The nucleus divides
Cytoplasm divides
The amount of chromosomes triples
How many chromosomes do human gametes have
23
46
2
4
What is the result of crossing over during meiosis?
Increased number of chromosomes
No change in genetic information
Identical gametes
Genetic variety in offspring
How many stages of cell division are there in meiosis?
4
2
3
5
