Advertisements
Advertisements
प्रश्न
Give the significance of mutation.
Advertisements
उत्तर
Mutation plays a significant role in evolution and speciation because it causes variability. However, some harmful mutations cause diseases.
APPEARS IN
संबंधित प्रश्न
The phenotypic ratio of incomplete dominance is ______.
Choose the correct answer:
Mendel was born in __________
Differentiate between genotype and phenotype.
A pure tall plant (TT) is crossed with a pure dwarf plant (tt).
Draw Punnet squares to show
(1) F2 generation
(2) F2 generation.
Give Technical Term:
Differences occurring within offsprings of the same progeny.
Complete the following sentence with appropriate word:
In mammals, the female is homozygous while the male is _________.
Complete the following sentence with appropriate word:
The small differences among individuals are called ________.
Choose the Odd One Out
Multiple Choice Question
A cross was made between tall and dwarf plants. In F1 generation all plants were tall, when the F1 plants were selfed, the tall and dwarf plants appeared in a 3 : 1 ratio in the F2 generation. This phenomenon is known as:
Multiple choice question.
Phenotypic ratio of incomplete dominance in Mirabilis jalapa.
Which one of the following is back cross?
Hybrid is an offspring from a cross between genetically different parents.
______ type/s of gametes is/are expected to be formed by the organism with genotype AABBCC.
Alleles refer to ____________.
Parents of blood group i and AB cannot have a child of blood group AB because ______.
Match the items given in Column I with those listed in Column II. Choose the answer with correct combination of alphabets of the two columns.
| Column I | Column II |
| A. Monohybrid cross | 1. T and t |
| B. Test cross | 2. TT |
| C. Alleles | 3. TT × tt |
| D. Homozygous tall | 4. tt |
| 5. Tt × tt |
What is dihybrid cross?
Name any two genetic diseases in humans.
