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प्रश्न
From the list given below, select the character which can be acquired but not inherited
पर्याय
colour of eye
colour of skin
size of body
nature of hair
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उत्तर
size of body
Explanation -
The size of the body of an organisms increases or decreases based on the availability of the food and results from the changes in the non-reproductive tissues. So, these changes cannot be passed on to the next generation. So, it is an acquired character.
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संबंधित प्रश्न
Two heterozygous parents are crossed. If the two loci are linked, what would be the distribution of phenotypic features in the F1 generation for a dihybrid cross?
Filling the blank based on the given relationship.
3 : 1 Monohybrid : : 9 : 3 : 3 : 1 : ______
Complete the following sentence with appropriate word:
A character that is suppressed is _________.
Test cross involves
Define Genetics.
Identify the statementls that is/are NOT the correct reason/s for Mendel's success in his hybridization experiments.
i. Each factor controlled the single trait and is located on separate chromosomes.
ii. In the pea plant, contrasting characters can be easily recognized.
iii. Mendel carefully recorded the number of plants of each type and expressed his results as ratios.
iv. Mendel performed biochemical assays for identifying the position of 'factors' on chromosome.
Assertion: When the two genes in a dihybrid cross are situated on the same chromosome, the proportion of parental gene combinations is much higher than the nonparental type.
Reason: Higher parental gene combinations can be attributed to crossing over between two genes.
What is the difference between genetic drift and change due to natural selection?
How is the sex of a newborn determined in humans?
Do genetic combination of mothers play a significant role in determining the sex of a new born?
Sahil performed an experiment to study the inheritance pattern of genes. He crossed tall pea plants (TT) with short pea plants (tt) and obtained all tall plants in F1 generation.
What will be set of genes present in the F1 generation?
Independent assortment means:
The Law of independent assortment is applicable for the traits which ______
Describe the dihybrid cross upto F2 generation as conducted by Gregor Mendel using pure lines of Garden Pea for characters-seed shape and seed colour.
Which scientist is known as the Father of Genetics for establishing fundamental principles of heredity through experiments on pea plants?
What institution did Gregor Mendel attend to study science and mathematics?
Which plant species did Mendel primarily use in his hereditary experiments from 1856 to 1863?
