Biology questions
20584 published questions with worked solutions.
- The title of Mendel's paper, while presenting at Brunn Natural History Society in 1865 was
- Some of the dominant traits studied by Mendel were
- A test cross is carried out to
- In a dihybrid cross, where two parents differ in two pairs of contrasting traits like seed color yellow (YY) and seed color green...
- Mendel was successful in discovering the principles of inheritance as
- Which one of the following cannot be explained on the basis of Mendel's law of dominance?
- Test cross is a cross between
- A homozygous sweet pea plant with blue flowers (RR) and long pollen (R₀R₀) is crossed with a homozygous plant having red flowers...
- In garden pea, yellow color of cotyledons is dominant over green and round shape of seed is dominant over wrinkled. When a plant...
- In a typical Mendelian cross which is a dihybrid cross, one parent is homozygous for both dominant traits and another parent is...
- Allelism refers to
- When two genetic loci produce identical phenotypes in cis and trans position, they are considered to be
- A self-fertilizing trihybrid plant forms
- Dihybrid ratio of test cross 1:1:1:1 proves that
- The recessive parental trait is expressed without any blending in the F_2-generation, we can infer that F_1-plant produce gamete...
- When F_1-generation progeny resembles both the parents, this is called
- Blood grouping is the example of
- All of this obeys Mendel's laws except
- F_2-generation in a Mendelian cross showed that both genotypic and phenotypic ratios are same as 1:2:1. It represents a case of
- Genotypic and phenotypic ratio in monohybrid cross remains same in case of