science
Grade-10
Easy
Question
Meiosis is of evolutionary significance as it produces
Hint:
Meiosis, is a type of cell division in which sexually reproducing organisms reduces the number of chromosomes in gametes (sex cells or eggs and sperm).
The correct answer is: Four daughter cells
- Specifically, meiosis in each of the four daughter cells creates new combinations of genetic material.
- These new combinations result from the exchange of DNA between paired chromosomes. Such exchanges mean that gametes produced by meiosis exhibit a surprising range of genetic variation.
Related Questions to study
science
What is the importance of crossover?
New genetic combinations
For meiosis to occur
To clone a chromosomal segment
Mutation
What is the importance of crossover?
scienceGrade-10
New genetic combinations
For meiosis to occur
To clone a chromosomal segment
Mutation
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Which of the following structures are formed by two homologous chromosomes pair during crossing over?
Base Pair
Chromatid
Tetrad
None of these
Which of the following structures are formed by two homologous chromosomes pair during crossing over?
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Base Pair
Chromatid
Tetrad
None of these
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In prophase I of meiosis I __________ occurs.
Non-disjunction
Separation of homologous chromosomes
Separation of sister chromatids
Crossing over
In prophase I of meiosis I __________ occurs.
scienceGrade-10
Non-disjunction
Separation of homologous chromosomes
Separation of sister chromatids
Crossing over
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What structures exchange genetic material during crossing over?
Non-sister chromatids
Non-homologous chromosomes
Sister chromatids
Egg and the sperm
What structures exchange genetic material during crossing over?
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Non-sister chromatids
Non-homologous chromosomes
Sister chromatids
Egg and the sperm
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Hemophilia disease is produced in the male by how many gene/s?
- Two gene
- Three gene
- Single gene
- Four gene
Hemophilia disease is produced in the male by how many gene/s?
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- Two gene
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How do genetic disorders happen?
- Mutations
- Mistakes during meiosis
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- They are transmitted
How do genetic disorders happen?
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- Mistakes during meiosis
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In Down’s syndrome of a male child, the sex chromosome is
- XO
- XY
- XX
- XXY
In Down’s syndrome of a male child, the sex chromosome is
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- XO
- XY
- XX
- XXY
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Which one is a hereditary disease?
- Cataract
- Leprosy
- Blindness
- Phenylketonuria
Which one is a hereditary disease?
scienceGrade-11
- Cataract
- Leprosy
- Blindness
- Phenylketonuria
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Which of the following can increase the rate of mutation?
- UV Radiation
- Viruses
- Toxic chemicals
- All of the above
Which of the following can increase the rate of mutation?
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- UV Radiation
- Viruses
- Toxic chemicals
- All of the above
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Genetic mutations can be...
- Beneficial, harmful, or neutral
- Beneficial only
- Harmful only
- Neutral only
Genetic mutations can be...
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- Beneficial, harmful, or neutral
- Beneficial only
- Harmful only
- Neutral only
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What do gene mutations change?
- DNA
- RNA
- Proteins
- Lipids
What do gene mutations change?
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- DNA
- RNA
- Proteins
- Lipids
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Are all mutations bad?
- Yes
- No
- Maybe
- None
Are all mutations bad?
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- Yes
- No
- Maybe
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Any change in the sequence of DNA is...
- Transgenic shift
- Single genotype
- Monohybrid trait
- Mutation
Any change in the sequence of DNA is...
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- Transgenic shift
- Single genotype
- Monohybrid trait
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What do we use pedigrees for?
- To look at families
- To make determinations about the offspring
- To track traits in families
- Nothing
What do we use pedigrees for?
scienceGrade-11
- To look at families
- To make determinations about the offspring
- To track traits in families
- Nothing
