Advertisements
Advertisements
प्रश्न
Give Technical Term:
A single egg was fertilized by a single sperm. But twins derived from that egg were born. What is the name of such type of twins?
Advertisements
उत्तर
Identical or monozygotic twins
APPEARS IN
संबंधित प्रश्न
Choose the correct answer:
Mendel was born in __________
What is crossing-over? What are the factors affecting it?
Give the Phenotypic and Genotypic ratio of the F2 and F2 generation.
Explain the Term Heredity.
Name the following:
The genetic composition of an organism.
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 physical expression of genes is called _________.
Complete the following sentence with appropriate word:
Upon _______the diploid condition is restored.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Most genetic diseases in man are recessive in character.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Mendel experimented upon plants of Oryza sativa.
Write the functional activity of the following structure:
Genes
Multiple Choice Question
Genetics is a branch of biology dealing with:
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:
Hybrid is an offspring from a cross between genetically different parents.
The appearance of new combinations in the F2 generation of a dihybrid cross proves the law of ______.
Which one of the following genotype will yield only one type of gamete?
Two alternative forms of genes or alleles are located on ______.
A typical dihybrid cross is carried outbetween true breeding plant with yellowround seeds and a true breeding plant withgreen wrinkled seeds. With appropriatesymbol write the genotypes of —
- Homozygous dominant and recessive parents.
- Gametes produced by both the parents.
- Gametes produced by the F, hybrid. (3)
Name any two genetic diseases in humans.
