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प्रश्न
Explain the Term Crossing-over.
उत्तर
Crossing-over: The phenomenon of the exchange of genetic material between two non¬sister chromatids.
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संबंधित प्रश्न
A cross used to verify the unknown genotype of the F1 hybrid is a ______.
Which phoenomenon gives 2 : 1 ratio instead of 3 : 1 ratio? Describe with graphical representation.
Mutation alerts the hereditary material. Give reasons.
Give Technical Term:
Cell organelle directly involved in genetics.
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?
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Mutation can be brought about artificially.
Write the functional activity of the following structure:
Autosomes
Multiple Choice Question
When an individual has both the genes of a contrasting character, it is said to be:
Multiple choice question.
A cross between an individual with an unknown genotype for a trait with recessive plant for that trait is _______.
Explain a dihybrid cross with suitable example and checker board method.
What is allelomorph?
Give any two points of difference between homozygous and heterozygous.
Explain test cross with suitable example and state its ratios.
In a dihybrid cross with contrasting characters, the number of different genotypes obtained in F2 generation are ______.
Identify the genotype of peacock.
The percentage of each gamete out of four different types of gametes produced by the F1 dihybrid will be ________.
During a dihybrid cross with contrasting characters in the F2 generation, parental genotypes will appear in ______.
Which of the following is the number of alleles for blood group in an individual?
Parents of blood group i and AB cannot have a child of blood group AB because ______.
Rewrite the correct form of the statement by changing the first or last word only:
The full complement of DNA of an organism is termed as genetics.
