Hybrid breakdown refers to the condition when offspring are physiologically inferior to the following generation
Hybrid breakdown refers to the condition when offspring are physiologically inferior to the following generation
- A
${F_1}$
- B
${F_2}$
- C
${P_1}$
- D
All of these
Similar Questions
Assertion : Cross of $F_1$ individual with recessive homozygous parent is test cross.
Reason : No recessive individual are obtained in the monohybrid test cross.
Assertion : Cross of $F_1$ individual with recessive homozygous parent is test cross.
Reason : No recessive individual are obtained in the monohybrid test cross.
- [AIIMS 2012]
Pure tall plants are crossed with pure dwarf plants. In the $F_1$ generation all plants were tall. These tall plants of $F_1$ generation were selfed and the ratio of tall to dwarf plants obtained was $3 : 1$. This is called
Pure tall plants are crossed with pure dwarf plants. In the $F_1$ generation all plants were tall. These tall plants of $F_1$ generation were selfed and the ratio of tall to dwarf plants obtained was $3 : 1$. This is called
In hybridization, $Tt × tt$ give rise to the progeny of ratio
In hybridization, $Tt × tt$ give rise to the progeny of ratio
- [AIPMT 1999]
If a homozygous red-flowered plant is crossed with a homozygous white-flowered plant, the offspring would be
If a homozygous red-flowered plant is crossed with a homozygous white-flowered plant, the offspring would be
- [AIIMS 1999]
When a true breeding pea plant that has yellow seeds is pollinated by a plant that has green seeds, all the $F_1$ plants have yellow seeds. This means that the allele for yellow is
When a true breeding pea plant that has yellow seeds is pollinated by a plant that has green seeds, all the $F_1$ plants have yellow seeds. This means that the allele for yellow is