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Question
What do you understand by the terms phenotype and genotype?
Solution
Phenotype is the outward appearance or morphological character of an organism. The expression of a gene or the genetic makeup of an individual for a particular trait is called a genotype.
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RELATED QUESTIONS
Differentiate between the following -
Dominance and Recessive
Given below are the F2 – phenotypic ratios of two independently carried monohybrid crosses :
(i) 1 : 2 : 1
(ii) 3 : 1
Mention what does each ratio suggest.
Explain Mendel’s monohybrid progeny with the help of any one cross.
Answer the following question.
Write the basis on which Alfred Sturtevant explained gene mapping.
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A pure tall plant (TT) is crossed with the pure dwarf plant (tt), what would be the F1 and F2 generations? Explain.
Pure-bred tall pea plants are first crossed with pure-bred dwarf pea plants. The pea plants obtained in the F1 generation are then selfed to produce F2 generation of pea plants.
What do the plants of the F1 generation look like?
A Monohybrid cross is ______
Punnett square is used to know
Given below is a schematic representation of the inheritance of the shape of the seeds of garden peas. Answer the questions that follow:
- Which is the dominant and recessive allele of the trait?
- What does the ratio 3 : 1 in the F2 generation represent?
- State Mendel's Law of Dominance.
