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Mitosis And Meiosis Key Terms
Test Description: Mitosis and Meiosis for HS Biology
Instructions: Answer all questions to get your test result.
1) DNA
A
The molecule that encodes genetic information.
B
The fundamental physical and functional unit of heredity
C
A small region of cytoplasm adjacent to the nucleus that contains the centrioles and serves to organize microtubules.
D
A pair of chromosomes containing sequences for the same genes, each derived from one parent.
2) Gene
A
short cylindrical organelle, found in pairs arranged at right angles to each other
B
A specialized chromosome region to which spindle fibers attach during cell division
C
Mass of genetic material composed of DNA and proteins that condense to form chromosomes in eukaryotic cell division
D
The fundamental physical and functional unit of heredity
3) Chromosome
A
Mass of genetic material composed of DNA and proteins that condense to form chromosomes in eukaryotic cell division
B
The self- replicating genetic structure of cells containing the cellular DNA
C
A four-part structure that forms during the prophase of meiosis and consists of two homologous chromosomes, each composed of
D
A single set of chromosomes (half the full set of genetic material),
4) Chromatid
A
One of the daughter strands of a chromosome that has recently been copied
B
An imaginary plane perpendicular to the spindle fibers of a dividing cell, along which chromosomes align during metaphase
C
A small region of cytoplasm adjacent to the nucleus that contains the centrioles and serves to organize microtubules
D
One pair of homologous chromosomes resulting from the division of a tetrad during meiosis.
5) Centromere
A
A specialized chromosome region to which spindle fibers attach during cell division.
B
A small region of cytoplasm adjacent to the nucleus that contains the centrioles and serves to organize microtubules
C
Mass of genetic material composed of DNA and proteins that condense to form chromosomes in eukaryotic cell division
6) Spindle Fibers
A
A pair of chromosomes containing sequences for the same genes, each derived from one parent.
B
Microtubular structures that extend from the centrioles and attach to the centromere of a chromosome during mitosis and meios
C
A short cylindrical organelle, found in pairs arranged at right angles to each other at the centre of a microtubule
7) Homologous chromosomes
A
One pair of homologous chromosomes resulting from the division of a tetrad during meiosis.
B
Mature male or female reproductive cell (sperm or ovum) with a haploid set of chromosomes (23 for humans).
C
A four-part structure that forms during the prophase of meiosis and consists of two homologous chromosomes, each composed of
D
A pair of chromosomes containing sequences for the same genes, each derived from one parent.
8) Haploid
A
Mature male or female reproductive cell (sperm or ovum) with a haploid set of chromosomes (23 for humans).
B
A single set of chromosomes (half the full set of genetic material)
C
A pair of chromosomes containing sequences for the same genes, each derived from one parent.
D
A full set of genetic material, consisting of paired chromosomes one chromosome from each parental set.
9) Diploid
A
A full set of genetic material, consisting of paired chromosomes one chromosome from each parental set
B
One of the daughter strands of a chromosome that has recently been copied
C
A small region of cytoplasm adjacent to the nucleus that contains the centrioles and serves to organize microtubules.
D
Microtubular structures that extend from the centrioles and attach to the centromere of a chromosome during mitosis and meios
10) Gamete
A
One pair of homologous chromosomes resulting from the division of a tetrad during meiosis
B
A single set of chromosomes (half the full set of genetic material), present in the egg and sperm cells of animals and in the
C
Mature male or female reproductive cell (sperm or ovum) with a haploid set of chromosomes (23 for humans).
*select an answer for all questions
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