Question
A plant breeder performs a test cross by crossing an F1 plant, heterozygous for two independently assorting genes (AaBb), with a plant homozygous recessive for both genes (aabb). According to Mendel's law of independent assortment, in what ratio are the four possible phenotypic classes expected to appear among the test cross offspring?
More Plant Breeding Questions
- In a breeding program focused on introducing a pest resistance gene into a commercial crop species, what is the most efficient breeding method if the donor...
- During which stage of meiosis does crossing over (exchange of genetic material between non-sister chromatids of homologous chromosomes) typically occur, co...
- Which mechanism refers to the presence of unisexual flowers on separate plants, as seen in plants like papaya and spinach?
- Flowers do not open at all which ensures complete self pollination in
- Mendel's principle of dominance states that when two contrasting alleles for a trait are present together in a heterozygous individual, only one allele's t...
- In Pure lines election a large number of plants are selected from a ………………… and harvested individually
- The theoretical explanation for how sugars and other food materials are transported through the phloem tissue of a plant — based on a pressure gradient cre...
- In a dihybrid cross between two heterozygous pea plants (RrYy × RrYy), where R (round seed) is dominant over r (wrinkled) and Y (yellow) is dominant over y...
- Triacontanol is a natural plant growth regulator obtained from the leaves of:
- A method of asexual propagation in which a stem is made to produce roots while still attached to the parent plant is called
Relevant for Exams:
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
Think You're Ready for RBI Grade B?
RBI Grade B 2026 Phase 1 Memory Based Paper
- 200 Questions with Detailed Solutions
- Section-wise Coverage (GA, English, Quant & Reasoning)