Sex-Linked Inheritance (Grade 12 NSC Matric Life Sciences): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What are autosomes?
What are autosomes?
Non-sex chromosomes
On which chromosome are most sex-linked traits located?
On which chromosome are most sex-linked traits located?
X chromosome
Why are males more affected by X-linked recessive disorders than females?
Why are males more affected by X-linked recessive disorders than females?
Males have only one X chromosome
What is haemophilia?
What is haemophilia?
A bleeding disorder
Which trait is located on the Y chromosome?
Which trait is located on the Y chromosome?
Hair growth inside the ear
What is true about carrier females for X-linked recessive disorders?
What is true about carrier females for X-linked recessive disorders?
They don't show symptoms
How many recessive alleles does a male need to express an X-linked recessive disorder?
How many recessive alleles does a male need to express an X-linked recessive disorder?
One allele
Which genetic notation is INCORRECT for sex-linked traits?
Which genetic notation is INCORRECT for sex-linked traits?
What causes red-green colour blindness?
What causes red-green colour blindness?
Lack of photoreceptors in retina
How many recessive alleles must a female inherit to express an X-linked recessive disorder?
How many recessive alleles must a female inherit to express an X-linked recessive disorder?
Two recessive alleles