11.4 INHERITANCE IN HUMAN

• 22+Y

• 22+XY

• 44+Y

• 44+X

Sara's blood group is type B. Which blood group can be recipients of Sara's blood

• A and AB

• B and AB

• O and B

• O and AB

Blood group in humans is determined by three alleles I^A,I^B and I^O . What is the possible genotypes for a person having a blood group B

I) I^AI^A

II) I^BI^B

III) I^BI^O

IV) I^AI^B

• I AND II

• II AND III

• I AND IV

• III AND IV

A boy has blood group A and his sister has blood group B. Which is the correct combination of genotypes belongings to their parents

• father: AB. mother. AB

• father: AA. mother. BB

• father: AA. mother. BO

• father: BO. mother. BO

A couple has four children with blood groups O,A,B and AB. What is the possible blood groups of the couples

• husband : A. Wife: B

• husband : AB. Wife: B

• husband : AB. Wife: AB

• husband : A. Wife:AB

The genotype of a person blood group is I^AI^B .what is his blood group

• O

• A

• B

• AB

A girl has blood group A and her brother has blood group O. What are the possible genotypes of the parents

• I^AI^B. I^AI^O

• I^AI^B I^OI^O

• I^AI^A. I^BI^O

• I^AI^O. I^BI^O

Diagram shows karyotype of individual Q What is the genetic disorder for individual Q?

• Male with down syndrome

• Female with Turner Syndrome

• Man with Klinefelter’s Syndrome

• Female with Klinefelter’s Syndrome

Diagram 6 shows a schematic diagram of a genetic disease . What is the genetic disease suffered by offspring X?

• Turner Syndrome

• Down Syndrome

• Klinefelter’s Syndrome

• Sickle-cell anaemia

What is the number of chromosomes in

an individual with Down Syndrome?

• 48

• 47

• 46

• 45