POP QUIZ: Chromosomes II
Chromosomes II: Test Your Knowledge
Welcome to the Chromosomes II quiz! Dive into the fascinating world of genetics and test your knowledge on human chromosomes, their structure, and fun
Through this quiz, you will learn about:
- The number of chromosomes in humans
- The role of histones in DNA
- Sex-linked traits and much more!
1. The haploid number of human chromosomes is
46
23
11
45
2. Histones are ...
Proteins wound up in DNA
Critical to maintaining the shape of chromosomes
Aid in the tight packing of DNA
All of these
3. Each identical side of a chromosome is the
Centromere
Chromatin
Centriole
Chromatid
5. The structure that holds two chromosomes together until they separate for cell division is the
Chromatid
Chromatin
Centromere
Cytoplasm
4. Autosomes are
Chromosomes found in autotrophs, only
Chromosomes that automatically correct all errors in the DNA
Chromosomes that determine traits other than sex
Hromosomes that determine the sex of the individual
6. Which of these organisms has more chromosomes than humans?
Chimpanzees
Ants
Plums
All of these -- the number of chromosomes does not determine complexity of the organism
7. The diploid number of human chromosomes is
23
46
92
11
8. A _______ is a segment of DNA that codes for a specific protein or RNA molecule.
Gene
Gemete
Chromosome
Chromatid
9. A _________ is DNA tightly coiled around proteins.
Gene
Chromosome
Trait
Mutation
10. Cells that contain only ONE set of chromosomes are called ________ (n).
Haploid
Diploid
Poliploid
Triploid
11. The 2 female sex chromosomes are ___.
XY
XX
12. What is a sex-linked trait?
A trait that is only inherited by boys
A trait that is only inherited by girls
A trait that is only found on sex chromosomes
A trait that determines an individuals' sex
13. A human cell has between 20,000-25,000 genes whereas an E. Coli cell has approximately 4,000 genes. Which of the following statements is true?
The human genome is larger than the E. Coli genome
There are more genes on each human chromosome than on the E. Coli chromosome
The human cell and the E. Coli cell produce approximately the same variety of proteins
The DNA in both organisms is associated with histones (proteins)
14. N the diagram, which pair represents homologous chromosomes?
1 and 2
3 and 4
2 and 5
4 and 6
15. The karyotype shown in the image is of an individual who has aneuploidy due to
Too many copies of chromosome 21
Too many copies of chromosome 22
Too many copies of chromosome 1
Too many copies of the X chromosome
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