HARD
10th ICSE
IMPORTANT
Earn 100
The 9 : 3 : 3 : 1 dihybrid ratio is due to:
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Important Questions on Genetics - Some Basic Fundamentals
MEDIUM
10th ICSE
IMPORTANT
A plant with green pods and smooth seeds with genotype Ggss will give rise to the following gametes:
MEDIUM
10th ICSE
IMPORTANT
Match the terms in column I with their explanations in column II.
Column I Column II
(Term) (Explanation)
a. Genetics (i) Chromosomes similar in size and shape
b. Autosomes (ii) The alternative forms of a gene
c. Recessive gene (iii) Study of laws of inheritance of characters
d. Allele (iv) A gene that can express only when in a similar pair
e. Homologous (v) Chromosomes other than the chromosomes pair of sex chromosomes.
MEDIUM
10th ICSE
IMPORTANT
Name any two genetic diseases in humans.
MEDIUM
10th ICSE
IMPORTANT
Which one of the following genotypes is homozygous dominant and which one homozygous recessive in regard to tongue rolling: Rr, rr, RR.
HARD
10th ICSE
IMPORTANT
Differentiate between: genotype and phenotype.
HARD
10th ICSE
IMPORTANT
Differentiate between: character and trait.
HARD
10th ICSE
IMPORTANT
Differentiate between: monohybrid and dihybrid cross (phenotypic ratio in F2 generation).
MEDIUM
10th ICSE
IMPORTANT
Among lion, tiger and domestic cat, all the three have the same number of 38 chromosomes, yet they have different appearances. How do you account for such differences ?
