Advertisements
Advertisements
प्रश्न
In Snapdragon, a cross between true-breeding red flowered (RR) plants and truebreeding white flowered (rr) plants showed a progeny of plants with all pink flowers.
The appearance of pink flowers is not known as blending. Why?
उत्तर
When the red and white flower varieties of snapdragon are crossed, the F1 progeny exhibits pink colour flowers. It is not known as blending inheritance because in blending inheritance, the characters are mixed in the offspring and do not segregate.
APPEARS IN
संबंधित प्रश्न
What are 'true breeding lines' that are used to study inheritance pattern of traits in plants?
State a difference between a gene and an allele.
Work out a cross up to F1 generation only, between a mother with blood group A (Homozygous) and the father with blood group B (Homozygous). Explain the pattern of inheritance exhibited.
If the mother is a carrier of colour blindness and the father is normal, the possible genotype and
the phenotype of the offspring of the next generation, with the help of a punnet square
Give a scientific term for the following:
An alternative form of the single gene which influences the same character and produces different expressions in different individuals a species.
A pleiotropic gene ______.
In Antirrhinum, RR is phenotypically red flowers, rr is white and Rr is pink. Select the correct phenotypic ratio in F1 generation when a cross is performed between RR X Rr: ______
The gene that controls the ABO blood group system in human beings has three alleles -IA, IB, and i. A child has blood group O. His father has blood group A and mother has blood group B. Genotypes of other offsprings can be: ______
- IB IB
- IA i
- IB i
- IA IB
- ii
Approximately seventy precent of carbon dioxide absorbed by the blood with be transported to the lungs ______.
Which of the following is best suited for co-dominantly?
