Ch. 12 Chromosomes And Human Inheritance Test Quiz
26 Questions
| Attempts: 636
Each chromosome in the human body is made up of DNA. One chromosome from each of your 23 pairs came from each of your parents and this is why you find off springs having some features from their parents. Take up this quiz and see how much you understood from chapter 10 on chromosomes and inheritance.
Questions and Answers
- 1.Autosomes are all chromosomes except _____ chromosomes.
- A.
Sex
- B.
Don't know
- 2.____ chromosomes determines sex of the individual
- 3.The __rd pair of chromosomes is the sex hromosomes
- A.
21
- B.
22
- C.
23
- 4.
A ___________ is a photograph of individual chromosomes. - 5.Genetic disorders can be ______________ or chromosomal .
- A.
Phenominal
- B.
Autosomal
- C.
None of the above
- 6.Sex linked genetic disorders are termed:
- 7.True or falseAutosomal disorders have to do with the 23rd chromosome.
- A.
True.
- B.
False. Autosomal disorders deal with the first 22 chromosomes
- 8.Sometimes disorders are located on the __________ Allele or recessive __________Answer format: blah, Blah
- 9.True or FalseThe X chromosome is smaller than the Y chromosome.
- A.
True
- B.
False
- 10.The ___ chromosome is small and carries very few genes- less than 24 identified.
- A.
X
- B.
Y
- 11.The Y chromosome contains mainly genes for ________ sex determination.
- A.
Female
- B.
Male
- 12.There are no known y-linked inheritance traits. Sex-linked traits are from the ____ chromosome.
- 13.The ___ chromosome carries over 2,300 genes. Most of the genes are not sex trait related.
- 14.Males and females both have traits expresses from the ___ chromosomes.
- 15.___- linked recessive inheritance is shown in males than in females. This is because females have another X chromosome to fall back on if there is a genetic problem with the other.
- A.
X
- B.
Y
- C.
Z
- 16.Chromosomal Abnormalities_____________ is when parts of the gene sequence is inverted on the chromosome.
- A.
Duplication
- B.
Deletion
- C.
Inversion
- D.
Translocation
- 17.Chromosomal Abnormalities_____________ is when the gene sequence repeated many times.
- A.
Duplication
- B.
Deletion
- C.
Inversion
- D.
Translocation
- 18.Chromosomal Abnormalities__________ is when there are lost parts of the chromosome - therefore, lost gens.
- 19.Chromosomal Abnormalities__________ is when the gene sequence is placed on another non homologous chromosome..
- A.
Deletion
- B.
Suplication
- C.
Translocation
- D.
Inversion
- 20.Nondisjunction is when one or more pairs of chromosomes do not ________ during mitosis or meiosis. Clue: word begins with the letter S
- 21.If a gamete receives 2 of one chromosome instead of 1, and at fertilization the resulting zygote has 3 of a chromosome. This is?
- A.
Trisomy
- B.
Turner's
- C.
ADHD
- 22.Trisomy 21 is one of the few trisomies that are able to survive. These individuals have ___________ syndrome
- A.
Turner's
- B.
Down's
- C.
Edward's
- 23.Most Down's syndrome cases are caused by nondisjunction during __________.
- A.
Meiosis
- B.
Mitois
- 24.Down's syndrome is an example of
- A.
Autosomal disorder
- B.
Chromosomal
- 25.What the Genotype for a female with Turner's syndrome?
- A.
XX
- B.
XXX
- C.
X
- D.
XY
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