Advertisements
Advertisements
Question
A cross was carried out between two pea plants showing the contrasting traits of height of the plants. The result of the cross showed 50% parental characters.
(i) Work out the cross with the help of a Punnett square.
(ii) Name the type of the cross carried out.
Solution
(ii) The type of cross carried out here is a test cross. It is a cross in which an individual with an unknown dominant phenotype is crossed with an individual (parent) homozygous recessive for that trait.
RELATED QUESTIONS
In a cross between two tall pea plants some of the offsprings produced were dwarf. Show with the help of Punett square how this is possible.
A garden pea plant (A) produced inflated yellow pod, and another plant (B) of the same species produced constricted green pods. Identify the dominant traits.
How are Mendelian inheritance, polygenic inheritance and pleiotropy different from each other?
Explain polygenic inheritance pattern with the help of a suitable example.
How would you find genotype of a tall pea plant bearing white flowers? Explain with the help of a cross. Name the type of cross you would use.
Mention any two contrasting traits with respect to seeds in pea plant that were studied by Mendel.
A plant of F1 generation has genotype “AABbCC”. On selfing of this plant, the phenotypic ratio in F2 generation will be ______.
______ is a type of trait whose phenotype is influenced by more than one gene.
Multiple phenotypes is seen in:
The pedigree chart given below represents the pattern of inheritance of sickle cell anemia in a family. Study it carefully and answer the questions that follow.
- What is the genotype of the father?
- What is the phenotype of the mother?
