Thalassaemia major is also known as…
a) Cooley’s anemia
b) sickle cell anemia
c) mycocytic anemia
d) nutritional anemia
Explanation: Hemoglobin S is an abnormal form of hemoglobin that causes the red cells to become rigid, and sickle shaped. This is commonly called sickle cell anemia
Which of the
following is/are the characteristic/s of linked genes?
a) they do not show recombination
b) the ideal Mendelian ratio of independent assortment is deviated
c) they do not assort independently in offspring
d) all of these
Gene linkage can easily be detected by performing………between two gene pairs.
a) dihybrid cross
b) test cross
c) monohybrid cross
d) all of these
When F1 offspring are crossed with the dominant parents, all the F2 offspring develop dominant character; this test is/are
a) dihybrid cross
b) test cross
c) monohybrid cross
d) back cross
A cross between F1 hybrid with either of parents is called…….
a) dihybrid cross
b) test cross
c) monohybrid cross
d) back cross
The test cross is used to determine the…
a) phenotype of an organism
b) genotype of an organism
c) both a and b
d) none of them
Explanation: genotype is the genetic composition of an individual