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Which of the following points further strengthened Mendelism :-
[UP CPMT 2006]
- a)law of independent assortment which was based on monohybrid cross
- b)law of independent assortment which could be stated on the basis of segregation of gametes
- c)incomplete dominance gave a new way to mendelism
- d)a character controlled by a pair of unit factors
Correct answer is option 'D'. Can you explain this answer?
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Most Upvoted Answer
Which of the following points further strengthened Mendelism :-[UP CPM...
Law of independent assortment is based on dihybrid cross. In this, two characters or genes do not influence each other and separate independently during gamete formation. Incomplete dominance is a non-mendelian genetics in which intermediate phenotype is observed for heterozygous organism. During Mendel's study, the trait that did not appear in F generation reappeared in F . Mendel called the substance responsible for each trait as factor. He stated that a character is controlled by a pair of unit factors. Later this factors were known as alleles.Thus, the correct answer is option D.
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Which of the following points further strengthened Mendelism :-[UP CPM...
The correct answer is option D, "a character controlled by a pair of unit factors." This answer further strengthens Mendelism because it relates to the concept of genes and how they control traits in organisms.
Explanation:
- In Mendel's experiments, he observed that traits in pea plants were inherited in a predictable manner. He proposed that there were "unit factors" responsible for each trait, and these factors were passed on from parents to offspring.
- These unit factors are now known as genes, which are segments of DNA that contain the instructions for building and maintaining an organism.
- Each gene has two copies, one inherited from each parent. These copies are called alleles.
- The presence of a pair of alleles for a particular gene determines the expression of a trait. For example, for the trait of flower color in pea plants, there are two alleles: one for purple flowers and one for white flowers. If an individual has two alleles for purple flowers, they will have purple flowers.
- This concept of a character (trait) being controlled by a pair of unit factors (alleles) is a fundamental principle in Mendelian genetics.
- It explains how traits are passed from one generation to the next and how variations in traits can occur.
- This concept also explains why some traits may skip generations or reappear after being absent in a few generations. It depends on the combinations of alleles inherited from the parents.
- Mendel's work laid the foundation for modern genetics and the understanding of how genes and alleles control traits in organisms.
- It is important to note that the other options mentioned, such as the law of independent assortment and incomplete dominance, are also significant in Mendelian genetics. However, option D directly refers to the concept of genes and unit factors, which is a fundamental aspect of Mendelism.
Explanation:
- In Mendel's experiments, he observed that traits in pea plants were inherited in a predictable manner. He proposed that there were "unit factors" responsible for each trait, and these factors were passed on from parents to offspring.
- These unit factors are now known as genes, which are segments of DNA that contain the instructions for building and maintaining an organism.
- Each gene has two copies, one inherited from each parent. These copies are called alleles.
- The presence of a pair of alleles for a particular gene determines the expression of a trait. For example, for the trait of flower color in pea plants, there are two alleles: one for purple flowers and one for white flowers. If an individual has two alleles for purple flowers, they will have purple flowers.
- This concept of a character (trait) being controlled by a pair of unit factors (alleles) is a fundamental principle in Mendelian genetics.
- It explains how traits are passed from one generation to the next and how variations in traits can occur.
- This concept also explains why some traits may skip generations or reappear after being absent in a few generations. It depends on the combinations of alleles inherited from the parents.
- Mendel's work laid the foundation for modern genetics and the understanding of how genes and alleles control traits in organisms.
- It is important to note that the other options mentioned, such as the law of independent assortment and incomplete dominance, are also significant in Mendelian genetics. However, option D directly refers to the concept of genes and unit factors, which is a fundamental aspect of Mendelism.
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Which of the following points further strengthened Mendelism :-[UP CPMT 2006]a)law of independent assortment which was based on monohybrid crossb)law of independent assortment which could be stated on the basis of segregation of gametesc)incomplete dominance gave a new way to mendelismd)a character controlled by a pair of unit factorsCorrect answer is option 'D'. Can you explain this answer?
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Which of the following points further strengthened Mendelism :-[UP CPMT 2006]a)law of independent assortment which was based on monohybrid crossb)law of independent assortment which could be stated on the basis of segregation of gametesc)incomplete dominance gave a new way to mendelismd)a character controlled by a pair of unit factorsCorrect answer is option 'D'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Which of the following points further strengthened Mendelism :-[UP CPMT 2006]a)law of independent assortment which was based on monohybrid crossb)law of independent assortment which could be stated on the basis of segregation of gametesc)incomplete dominance gave a new way to mendelismd)a character controlled by a pair of unit factorsCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following points further strengthened Mendelism :-[UP CPMT 2006]a)law of independent assortment which was based on monohybrid crossb)law of independent assortment which could be stated on the basis of segregation of gametesc)incomplete dominance gave a new way to mendelismd)a character controlled by a pair of unit factorsCorrect answer is option 'D'. Can you explain this answer?.
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