Biology
Grade-9
Easy
Question
Which of the following experimental technique is used to identify genetic disorders?
- Microscopic techniques
- Spectroscopy
- Karyotyping
- Chromatography
Hint:
Karyotyping
The correct answer is: Karyotyping
A karyotype test looks at the size, shape, and number of your chromosomes. A karyotype test may be used to:
Check an unborn baby for genetic disorders.
Diagnose a genetic disease in a baby or young child.
Find out if a chromosomal defect is preventing a woman from getting pregnant or is causing miscarriages.
Check a stillborn baby (a baby that died late in pregnancy or during birth) to see if a chromosomal defect was the cause of death.
See if you have a genetic disorder that could be passed along to your children.
Diagnose or make a treatment plan for certain types of cancer and blood disorders.
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Which of the following statement is incorrect?
Which of the following statement is incorrect?
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The diagrammatic representation of karyotype of a species is known as __________
The diagrammatic representation of karyotype of a species is known as __________
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- Example of epistasis is fur color. The fur color of an animal depends on two genes (E and B). B gene is responsible for color while E gene determines the level of expression of the B gene.
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The hierarchy of dominance in the coat color of rabbit is:
The hierarchy of dominance in the coat color of rabbit is:
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Which of the following is true regarding coat color in rabbit?
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A gene showing co-dominance has:
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A gene showing co-dominance has:
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- Gene is the unit of heredity.
- Gene has two alleles.
- Two alleles can be same or different (like YY or Yy).
