INHERITANCE AND VARIATION biology MCQ’s questions answers

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INHERITANCE AND VARIATION

Question 151 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A woman with albinic father marries an albinic man. The proportion of her progeny is ..... [CBSE 1994]
A
2 normal : 1 albinic
B
All normal
C
All albinic
D
1 normal : 1 albinic
Question 152 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which variations are temporary and are not connected with last or next generation ..... [CPMT 2008]
A
Hereditary variations
B
Environmental variation
C
Discontinuous variations
D
Continuous variations
Question 153 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Pleiotropic effect is found in ..... [AMU 2001]
A
Human skin colour
B
Night blindness
C
Haemophilia
D
Sickle cell anaemia
Question 154 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Mendel studied inheritance of seven pairs traits in Pea which can have 21 possible combinations. If you are told that in one of these combinations, independent, your reaction will be ..... [CBSE 1993]
A
Independent assortment principle may wrong
B
Mendel might not have studied all the combinations
C
It is impossible
D
Later studies may be wrong
Question 155 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Children in a family have blood type O, A, AB and B respectively. What are the genotypes of their parents.....[KCET 2003]
A
IAi and IBi
B
IAIB andii
C
IBIB and IAIA
D
IAIA and IBi
There are 155 questions to complete.