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WorksheetsSPM Form 5 Biology Chapter 5 Inheritance (5.2)
Total questions: 20
Worksheet time: 14mins
A boy has blood group A and his sister has blood group B. Which is the correct combination of genotypes belonging to their parents?
Father: IAIB
Mother: IAIB
Father: IAIA
Mother: IBIB
Father: IAIA
Mother: IBIO
Father: IBIO
Mother: IBIO
Kei's blood group is type B. Which blood groups can be recipients of Kei's blood?
A and AB
B and AB
O and B
O and AB
Blood group in humans is determined by three alleles, IA, IB and IO. What is the possible genotype for a person having a blood group B?
I IAIA
II IBIB
III IBIO
IV IAIB
I and II
II and III
I and IV
III and IV
A couple has four children with blood groups O, A, B and AB. What are the possible blood groups of the couple?
Husband : A
Wife : B
Husband : AB
Wife : O
Husband : AB
Wife : AB
Husband : B
Wife : AB
Human blood can be classified into Rhesus positive (Rh+) or Rhesus negative (Rh-).
A married couple has different Rhesus factor. After getting the first child who is Rhesus positive, the rest of pregnancies end with miscarriage.
What are the Rhesus factor of the parents and the miscarriage foetus?
Father: Rh+ , Mother: Rh- , Foetus: Rh+
Father: Rh+ , Mother: Rh- , Foetus: Rh-
Father: Rh- , Mother: Rh+ , Foetus: Rh+
Father: Rh- , Mother: Rh+ , Foetus: Rh-
Shaun who is a normal colour vision married to Lea who is a carrier for colour blindness. What is the possibility that their daughter is colour blind?
0%
25%
50%
100%
The following information shows the alleles belonging to a pair of married couple.
B - Dominant allele for normal colour vision
b - Recessive allele for colour blindness
Which of the following crosses produces male progeny who all have colour blindness?
XbY; XBXb
XBY; XBXb
XbY; XBXB
XBY; XbXb
Which genotype represents a female who is a carrier for hemophilia?
If a woman is a carrier for a sex linked recessive trait of hemophilia and her husband has hemophilia.
Which of the following is true?
All sons will have hemophilia
All daughters will have hemophilia
50% of daughters and 50% of sons have hemophilia
100% of sons have hemophilia and 100% of daughters are carriers
Which genotype represents a male with hemophilia?
All humans have at least one X chromosome. Choose the answer below that explains why all humans do NOT have a Y chromosome,.
Female passes on only a Y chromosome to male offspring.
Male passes on X chromosome to all offspring.
Females passes on X chromosome to all offspring.
Male passes on a Y chromosome to male offspring and an X to female offspring.
Which genetic disorder is caused by a sex-linked gene?
Albinism
Colour blindness
Down’s syndrome
Sickle-cell anaemia
Men can NEVER be "carriers" for recessive sex-linked traits because they only have one X chromosome.
True
False
Diagram shows the karyotype of an individual.
Which of the following shows the number of chromosomes in a gamete produced by the individual?
22 + Y
22 + XY
44 + Y
44 + X
An individual have frequent respiratory infections. His medical report stated that he has a genetic disorder which is caused by an autosomal recessive gene. What is the genetic disorder?
Thalassaemia
Sickle-cell anaemia
Cystic fibrosis
Huntington's disease
The type of chromosome carrying the gene for albinism is different from the type carrying the gene for colour blindness.
What is the type of chromosome carrying the gene for albinism?
Sex chromosome
Autosome
