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प्रश्न
Name any two genetic diseases in humans.
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उत्तर
Two genetic diseases in humans are:
- Haemophilia
- Thalassemia
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संबंधित प्रश्न
A heterozygous tall plant of pea is crossed with a dwarf plant of pea.
Calculate the phenotypic ratio of the progeny.
What is a gene? How is it related to heredity?
What is crossing-over? What are the factors affecting it?
Mutation alerts the hereditary material. Give reasons.
Give Technical Term:
Differences occurring within offsprings of the same progeny.
Give Technical Term:
Transmits characteristics from parents to offsprings.
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 dissimilar pairs of genes present in an individual are known as _______________.
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.
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.
A cross between an individual with an unknown genotype for a trait with recessive plant for that trait is _______.
______ type/s of gametes is/are expected to be formed by the organism with genotype AABBCC.
Using ______, the production of gametes by the parents, the formation of zygotes, the F1 and F2 plants can be understood.
An indvidual of genotype, Aa Bb Cc Dd is used in test cross. How many different phenotypes can appear in this progeny?
A pair of corresponding chromosomes of the same shape, size and one from each parent is called ______.
What is dihybrid cross?
Define the following term:
Gene
