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March 2019

In a monohybrid cross, 2 heterozygous individuals were crossed, phenotypic ratio came to be (2:1), it is due to__________________?

Agriculture Mcqs, Plant Breeding and Genetics /
In a monohybrid cross, 2 heterozygous individuals were crossed, phenotypic ratio came to be (2:1), it is due to__________________?

A. Dominant lethal genes in heterozygous individuals
B. Dominant lethal genes in homozygous individuals
C. Dominant epistasis
D. None of the above

In a monohybrid cross, 2 heterozygous individuals were crossed, phenotypic ratio came to be (2:1), it is due to__________________? Read More »

Agriculture Mcqs, Plant Breeding and Genetics

Which of the following had great influence on Drawing during during formulation of his theory of natural selection_________________?

Agriculture Mcqs, Plant Breeding and Genetics /
Which of the following had great influence on Drawing during during formulation of his theory of natural selection_________________?

A. Lamark’s idea on inheritance of acquired character’s
B. Mathis’s essay on population
C. Mendes’s experiment on pea
D. De Vries theory of mutation

Which of the following had great influence on Drawing during during formulation of his theory of natural selection_________________? Read More »

Agriculture Mcqs, Plant Breeding and Genetics

Red (RR) is crossed with white (ww). All the (Rw) offsprings are pink this is an indication that the R gene is_________________?

Agriculture Mcqs, Plant Breeding and Genetics /
Red (RR) is crossed with white (ww). All the (Rw) offsprings are k this is an indication that the R gene is_________________?

A. Recessive
B. Incomplete dominant
C. Mutant
D. Dominant

Red (RR) is crossed with white (ww). All the (Rw) offsprings are pink this is an indication that the R gene is_________________? Read More »

Agriculture Mcqs, Plant Breeding and Genetics

haploids are better for mutation studies because in them all the mutations whether recessive or dominant are expressed as_______________?

Agriculture Mcqs, Plant Breeding and Genetics /
haploids are better for mutation studies because in them all the mutations whether recessive or dominant are expressed as_______________?

A. There are many alleles of each gene in each call
B. There are two alleles of each gene in each cell
C. There is only one alleles of each gene present in each cell
D. Non3e4 of the above

haploids are better for mutation studies because in them all the mutations whether recessive or dominant are expressed as_______________? Read More »

Agriculture Mcqs, Plant Breeding and Genetics

After self pollination of red flowered plants out of 40 plants of progeny were white flowered. this indicates that the plants are__________________?

Agriculture Mcqs, Plant Breeding and Genetics /
After self pollination of red flowered plants out of 40 plants of progeny were white flowered. this indicates that the plants are__________________?

A. Heterogeneous
B. Heterozygous
C. Homogenous
D. Homozygous

After self pollination of red flowered plants out of 40 plants of progeny were white flowered. this indicates that the plants are__________________? Read More »

Agriculture Mcqs, Plant Breeding and Genetics