Home
Class 10
BIOLOGY
A plant has two varieties, one with red ...

A plant has two varieties, one with red petals and the other with white petals. When these two varieties are cross-pollinated, all the offsprings have red petals ?
(a) Which gene is dominant ?
(b) Choose suitable letters to represent the two genes.

Text Solution

Verified by Experts

The correct Answer is:
(a) Red colour (b) Rr
Promotional Banner

Topper's Solved these Questions

  • HEREDITY AND EVOLUTION

    LAKHMIR SINGH & MANJIT KAUR|Exercise Questions Based on High Order Thinking Skills (HOTS)|6 Videos
  • HEREDITY AND EVOLUTION

    LAKHMIR SINGH & MANJIT KAUR|Exercise Very short Answer Type Questions|1 Videos
  • CONTROL AND COORDINATION

    LAKHMIR SINGH & MANJIT KAUR|Exercise Very Short Answer Type Questions|5 Videos
  • HOW DO ORGANISM REPRODUCE

    LAKHMIR SINGH & MANJIT KAUR|Exercise Exercise|23 Videos

Similar Questions

Explore conceptually related problems

When two pure pea plants one having round seeds and the other having wrinkled seeds are crossed, their offsprings have

A plant has a butterfly shaped flower with one standerd,two wing like and two keel petals. The plants belongs to the family

Some plants occur in one of the two sizes : tall or dwarf. This characteristic is controlled by one pair of genes. Tallness is dominant to dwarfness. Choose suitable letters for this gene pair.

There is a plant, in which genes for black or white flower colour do not show complete dominance or recessiveness. If a plant carrying only black flower colour genes is crossed with a plant with only white flower colour genes, all the offsprings have grey flowere. If two of these grey flowered plants were crossed, the theoretical progeny ratio would be

When a red floweered plant was cross pollinated by white flowered one and the offspring were self pollinated to obtain a phenotypic ratio of 1:2:1 it has to be a case of :-

Mating of two varieties of a cattle breed like Red Dane which have no common ancestors on either side of their pedigree up to 4-6 generations is an example for.

One bag contains 5 white and 3 black ball and an other contains 4 white,5 red balls.Two balls are drawn from one of them choosing at random.The probability that they are of different colours is

A : In snapdragon, F_(1) plants do not have red or white flowers. R : It is intermediate inheritance with neither of the two alleles of a gene being dominant over each other.

If two pea plants having red (dominant) coloured flowers with unknown genotypes are crossed, 75% of the flowers are red and 25% are white. The genotypic constitution of the parents having red coloured flowers will be:

If two Pea plants having red (dominant) coloured flowers with unknown genotypes are crossed, 75% of the flowers are red and 25% white. The genotype constitution of the two parents would be