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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
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संबंधित प्रश्न
Give the significance of mutation.
Differentiate Between Homozygous shows Heterozygous.
A pure tall plant (TT) is crossed with a pure dwarf plant (tt).
Draw Punnet squares to show
(1) F2 generation
(2) F2 generation.
Explain the Term Variation.
Explain the Term Recessive character.
Give Technical Term:
A virus with DNA as heredity material.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
DNA has a double-helical structure.
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:
Genes
Multiple choice question.
When F2 phenotypic and genotypic ratios are the same, then it is an example of _______.
A recessive factor is altered by the presence of a dominant factor.
Each gamete has only one allele of a gene.
______ type/s of gametes is/are expected to be formed by the organism with genotype AABBCC.
The percentage of each gamete out of four different types of gametes produced by the F1 dihybrid will be ________.
A normal visioned woman whose father is colourblind married a normal visioned man. What are the probabilities of her sons or daughters to be colourblind? Explain with the help of Punnett square.
Two alternative forms of genes or alleles are located on ______.
A pair of corresponding chromosomes of the same shape, size and one from each parent is called ______.
Define the following term:
Gene
