RR (red) is crossed with rr (white). All the Rr offsprings are pink. This is an indication that R gene is:
Hybrid
Recessive
Incompletely dominant
Mutant
How many genes a child receives from its father?
25%
50%
75%
100%
Law of independent assortment can be proved on the basis of which of the following ratios:
3 : 1
2 : 1 : 1
9 : 3 : 3 : 1
2 : 1
Which of the following terms represents a pair of contrasting characters or factors?
Allele
Phenotype
Homozygous
Heterozygous
Which contribute to the success of Mendel?
Qualitative analysis of data
Observation of distinct inherited traits
His knowledge of biology
Consideration of one character at one time
If a tall plant is crossed with a dwarf plant, this type of cross is called:
Dihybrid
Monohybrid
Reciprocal
Trihybrid
Triticale has been evolved by intergeneric hybridization between
Wheat and rye
Wheat and rice
Rice and maize
Wheat and aegilops
