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प्रश्न
Explain Monohybrid cross
उत्तर
Monohybrid Cross – It is a cross in which only one pair of contrasting characters is taken into consideration.
APPEARS IN
संबंधित प्रश्न
Give appropriate biological/technical terms for the following:
The suppressed allele of a gene.
In Mendel’s experiments, tall pea plants (T) are dominant over dwarf pea plants (t).
State Mendel’s Law of Dominance.
Predict the genotype and phenotype of the following cross in pea.
TT x Tt
(Capital letters show dominance)
The 9 : 3 : 3 : 1 dihybrid ratio is due to ______.
According to Mendel alleles have the following character ______.
If Mendel had studied the seven traits using a plant with 12 chromosomes instead of 14, in what way would his interpretation have been different?
In the following crosses write the characteristics of the progeny
| Cross | Progeny |
| (a) RR YY × RR YY | __________________ |
| Round, yellow Round, yellow | __________________ |
| (b) Rr Yy × Rr Yy | __________________ |
| Round, yellow Round, yellow | __________________ |
| (c) rr yy × rr yy | __________________ |
| wrinkled, green wrinkled, green | __________________ |
| (d) RR YY × rr yy | __________________ |
| Round, yellow wrinkled green | __________________ |
The genotype of a plant showing the dominant phenotype can be determined by ______.
A male plant bearing red flowers was crossed with a female plant bearing yellow flowers. In the F1 generation, all the flowers were orange in colour.
Mention the ratio of red flowers, yellow flowers and orange flowers in the F2 generation.
Enumerate the cause and the characteristic symptom of PKU.
