WorksheetsGenetics
Total questions: 23
Worksheet time: 12mins
In incomplete dominance the F1 monohybrid ................................is 1:2:1
Phenotype
Genotype
Phenotype and Genotype
None of the above
A pink snapdragon is crossed with a white snapdragon. What is the probability of getting red snapdragon
1
1/2
1/4
None
Choose the odd one out
MN Blood group
ABO Blood group
Colour of chicken feather
Coat colour of short horn cattle
If two Roan cows are crossed, what percentage of progeny would you expect to be roan.
10%
25%
50%
75%
Which of the following scientists is not associated with the rediscovery of Mendellian laws.
Correns
Tschermak
Beedle
Hugo De bvries
While self crossing purple flower n sweet pea we get
Purple flower every time
White flower every time
White or purple
A blend of white and purple
The phenotypic ratio in duplicate dominant epistasis is
9:3:4
12:3:4
15:1
9:7
Test cross determines
Whether two traits are linked or not
Genotype of F2 plant
Successful breeding of two populations
None of the above
The genes for seven characters chosen by Mendel are located on
Four chromosomes
Five chromosomes
Six chromosomes
Seven chromosomes
Lack of independent assortment of two genes is due to
Linkage
Crossing over
Recombination
None
Which of the following character was not used by Mendel in his experiments
Seed colour
Seed shape
Pod length
Flower position
Mendel presented his works in
Natural History Society in America
Natural History Society in Russia
Natural History Society in Brunn
Natural History Society in Germany
The alternate form of a gene is called
Dominant character
Recessive Character
Allele
None of the above
The number of gametes produced by a heterozygous individual is
1
2
3
Many
The innate tendency of the offsprings to resemble their parents is called
Inheritance
Heredity
Variation
Resemblance
A normal women whose father had colour blindness married a normal man. What is the chance of occurrence of colour blindness in progeny
25%
50%
75%
100%
Which of the following is known as Drosophila of plant kingdom
Neurospora
Parthenium
Mirabilis
None of the above
The individual where only one copy of the chromosomes or chromosomal segment is present are called
Homozygous
Heterozygous
Hemizygous
None of the above
Incomplete dominance is observed in which of the following
Pisum
Hiracium
Mirabilis
None
Production of gametes by parents , formation of zygote and F1 and F2 plants can be understood by a diagram called
Net square
Bullet square
Punch square
Punnett square
The alleles of a gene showing no blending and both the characters are recovered as such in F2 generation. The statement is
Law of dominance
Law of Independent assortment
Law of natural selection
None of the above
The gene for which coat colour in rabbit is the dominant one
Chinchilla
Albino
Himalayan
Agouti
The type of genetic interaction where complimentary genes are involved the ratio obtained is
12:3:1
14:1:1
9:7
None of the above
