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WorksheetsMeiosis Review
Total questions: 25
Worksheet time: 13mins
A human has 46 chromosomes in their somatic (body) cells. How many chromosomes are found in the haploid cells?
46
92
23
12
Are somatic cells diploid or haploid cells?
Haploid
Diploid
How does the number of chromosomes in the starting cell compare to the number of chromosomes in the cells at the end of meiosis?
The number of chromosomes is cut in half
The number of chromosomes doubles
The cells become diploid
The number of chromosomes stays the same
Which of the following best describes the daughter cells that result at the end of meiosis II?
There are four diploid daughter cells
There are two diploid daughter cells
There are two haploid daughter cells
There are four haploid daughter cells
Are the cells produced in meiosis identical or unique?
Identical
Unique
The model shows homologous chromosomes during prophase I of meiosis. This process results in more genetic diversity in the species by creating new combinations of genes. What process is being illustrated in the model?
Independent Assortment
Interphase
Random Fertilization
Crossing Over
Why do diploid cells always have an even number of chromosomes?
The diploid cells contain pairs of chromosomes, one from each parent, so it is always an even number.
It is random; some other organisms have an odd number of chromosomes in their diploid cells.
The haploid chromosome number is always even so that when division occurs each new cell gets the same number of chromosomes.
Chromosomes double every time the cell divides, so after meiosis the number is even
The pair of chromosomes that contain the same genes (but may be coded differently) and are inherited from a male and female parent are termed ___.
gametes
alleles
zygote
homologous chromosomes
Meiosis makes gametes (sperm and egg cells). In humans, sperm and egg cells each have _____ chromosomes. Therefore a fertilized human egg cell (sperm and egg cell combined) would create a cell with _____ chromosomes.
23, 46
46, 23
2, 4
50, 100
Which of the following best describes the genetic material a person receives from his or her mother?
46 pairs of homologous chromosomes and an X and Y chromosome
22 haploid cells and an X chromosome
23 diploid cells and an X chromosome
22 autosomal chromosomes and an X chromosome
Sperm cells of a German Shepherd contain 38 chromosomes. What is the total number of chromosomes that would be contained in a normal, newly formed zygote after fertilization of this species?
19
76
42
100
Are gametes haploid or diploid cells?
Haploid
Diploid
What is the number of chromosomes for bat gamete cells?
44
208
22
88
If a monkey cell has 42 chromosomes, would that cell be haploid or diploid?
Haploid
Diploid
If a monkey cell has 21 chromosomes, would that cell be a gamete or somatic (body) cell?
Gamete
Somatic
If a housefly cell has 6 chromosomes, would that cell be haploid or diploid?
Haploid
Diploid
If a king crab cell has 208 chromosomes, would that cell be a gamete or somatic (body) cell?
Gamete
Somatic
How many chromosomes would you find in king crab gametes?
104
208
416
88
How many chromosomes would you find in a human somatic (body) cell?
46
92
23
12
