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प्रश्न
Give Technical Term:
A twin consisting of a brother and a sister were born to a lady. What is the name of such a type of twins?
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उत्तर
Non-identical or fraternal twins
संबंधित प्रश्न
Give the significance of mutation.
Mutation alerts the hereditary material. Give reasons.
Explain the Term Heterosome.
Explain the Term Genotype.
Give Technical Term:
Cell organelle directly involved in genetics.
Complete the following sentence with appropriate word:
The small differences among individuals are called ________.
Complete the following sentence with appropriate word:
The dissimilar pairs of genes present in an individual are known as _______________.
Complete the following sentence with appropriate word:
Upon _______the diploid condition is restored.
Write the functional activity of the following structure:
Autosomes
Multiple choice question.
Phenotypic ratio of incomplete dominance in Mirabilis jalapa.
Give any two points of difference between homozygous and heterozygous.
Identify the genotype of a round seeded tall plant which when crossed with a plant of similar genotype produces the following percentage of phenotypes:
(tall round = 56.25 %, tall wrinkled = 18.75 %, dwarf round = 18.75 %, dwarf wrinkled = 6.25 %.)
A pea plant with the genotype YyRr is crossed with another pea plant with the genotype yyrr. The expected phenotypic ratio of individuals formed will be ______
During a dihybrid cross with contrasting characters in the F2 generation, parental genotypes will appear in ______.
Two alternative forms of genes or alleles are located on ______.
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 |
An indvidual of genotype, Aa Bb Cc Dd is used in test cross. How many different phenotypes can appear in this progeny?
How many true breeding pea plant varieties did Mendel select as pairs, which were similar except in one character with contrasting traits?
