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Questions and Answers
What is the law of independent assortment?
What is the law of independent assortment?
- The alleles of a gene separate during gamete formation
- Only one allele of a gene is expressed during gamete formation
- Alleles of genes on non-homologous chromosomes assort independently during gamete formation (correct)
- Alleles of genes on the same chromosome always assort together
What is the genotype of the F1 plants?
What is the genotype of the F1 plants?
- YrRr
- YYRR
- YyRr (correct)
- yyrr
What is the result of a cross between two F1 plants?
What is the result of a cross between two F1 plants?
- All yellow-round seeds
- A 1:1:1:1 ratio of yellow-round to green-wrinkled seeds
- A 9:3:3:1 ratio of yellow-round to green-wrinkled seeds (correct)
- A 3:1 ratio of yellow-round to green-wrinkled seeds
What is the law of segregation?
What is the law of segregation?
What is the genotype of the P generation?
What is the genotype of the P generation?
What is the function of meiosis?
What is the function of meiosis?
What is the result of the law of independent assortment?
What is the result of the law of independent assortment?
What is the relationship between the genes for yellow/green and round/wrinkled seeds?
What is the relationship between the genes for yellow/green and round/wrinkled seeds?
What is the result of deletion of part of chromosome 5 in humans?
What is the result of deletion of part of chromosome 5 in humans?
Which syndrome is caused by the XXY karyotype?
Which syndrome is caused by the XXY karyotype?
What is the term for the exchange of chromosomal fragments between non-homologous chromosomes?
What is the term for the exchange of chromosomal fragments between non-homologous chromosomes?
What is the result of the reciprocal translocation between chromosomes 9 and 22?
What is the result of the reciprocal translocation between chromosomes 9 and 22?
Which syndrome is characterized by the presence of a Y chromosome in an individual with a XX karyotype?
Which syndrome is characterized by the presence of a Y chromosome in an individual with a XX karyotype?
What is the only known viable monosomy in humans?
What is the only known viable monosomy in humans?
What is the term for the inheritance of genes located outside the nucleus?
What is the term for the inheritance of genes located outside the nucleus?
What is the result of the exchange of chromosomal fragments between homologous chromosomes?
What is the result of the exchange of chromosomal fragments between homologous chromosomes?
What is the term for the process by which genes on the same chromosome are separated?
What is the term for the process by which genes on the same chromosome are separated?
What is the result of nondisjunction of homologous chromosomes during meiosis I?
What is the result of nondisjunction of homologous chromosomes during meiosis I?
What is the frequency of recombination for unlinked genes?
What is the frequency of recombination for unlinked genes?
What is the term for the ordered list of genetic loci along a particular chromosome?
What is the term for the ordered list of genetic loci along a particular chromosome?
What is the result of aneuploidy in humans?
What is the result of aneuploidy in humans?
What is the term for the exchange of segments between nonhomologous chromosomes?
What is the term for the exchange of segments between nonhomologous chromosomes?
What is the frequency of recombination for completely linked genes?
What is the frequency of recombination for completely linked genes?
What is the term for the presence of abnormal chromosome number?
What is the term for the presence of abnormal chromosome number?
What is the result of ATP synthase disorders?
What is the result of ATP synthase disorders?
What is the purpose of the 'Three-person IVF' procedure?
What is the purpose of the 'Three-person IVF' procedure?
What is the mode of inheritance of Huntington's disease?
What is the mode of inheritance of Huntington's disease?
What is the result of a trisomy 21?
What is the result of a trisomy 21?
What is the characteristic of completely linked genes?
What is the characteristic of completely linked genes?
What is the term for the deterioration of muscles?
What is the term for the deterioration of muscles?
What is the mode of inheritance of Haemophilia?
What is the mode of inheritance of Haemophilia?
What is the result of a genetic recombination between incompletely linked genes?
What is the result of a genetic recombination between incompletely linked genes?
What percentage of mammalian genes are affected by genomic imprinting?
What percentage of mammalian genes are affected by genomic imprinting?
What is the result of DNA methylation in genomic imprinting?
What is the result of DNA methylation in genomic imprinting?
Which allele is normally silenced by methylation in the Igf2 gene in humans?
Which allele is normally silenced by methylation in the Igf2 gene in humans?
What is the outcome of abnormal activation of the maternal Igf2 allele during egg formation or early development?
What is the outcome of abnormal activation of the maternal Igf2 allele during egg formation or early development?
Why are extranuclear genes inherited maternally?
Why are extranuclear genes inherited maternally?
What is the name of the disorder caused by defects in mitochondrial genes that prevent cells from making enough ATP?
What is the name of the disorder caused by defects in mitochondrial genes that prevent cells from making enough ATP?
What is the term for the inheritance of genes found in organelles in the cytoplasm?
What is the term for the inheritance of genes found in organelles in the cytoplasm?
What is the purpose of the Igf2 gene in humans?
What is the purpose of the Igf2 gene in humans?
What is the purpose of the 'Three-person IVF' procedure in relation to mitochondrial disorders?
What is the purpose of the 'Three-person IVF' procedure in relation to mitochondrial disorders?
What is the main difference between autosomal dominant and autosomal recessive inheritance patterns?
What is the main difference between autosomal dominant and autosomal recessive inheritance patterns?
What is the result of a mitochondrial disorder that affects the production of ATP?
What is the result of a mitochondrial disorder that affects the production of ATP?
What is the term for the exchange of segments between non-homologous chromosomes?
What is the term for the exchange of segments between non-homologous chromosomes?
What is the mode of inheritance of genes located on the X chromosome?
What is the mode of inheritance of genes located on the X chromosome?
What is the term for the process by which genes on the same chromosome are separated?
What is the term for the process by which genes on the same chromosome are separated?
What is the consequence of having an abnormal number of chromosomes in humans?
What is the consequence of having an abnormal number of chromosomes in humans?
What is the term for the presence of a Y chromosome in an individual with a XX karyotype?
What is the term for the presence of a Y chromosome in an individual with a XX karyotype?
What is the result of a cross between two F1 plants, each with the genotype YyRr?
What is the result of a cross between two F1 plants, each with the genotype YyRr?
What is the genotype of the F1 plants produced by crossing a yellow-round seed with a green-wrinkled seed?
What is the genotype of the F1 plants produced by crossing a yellow-round seed with a green-wrinkled seed?
During which stage of meiosis do the alleles of genes on non-homologous chromosomes assort independently?
During which stage of meiosis do the alleles of genes on non-homologous chromosomes assort independently?
What is the result of the law of segregation in the context of the seeds?
What is the result of the law of segregation in the context of the seeds?
What is the term for the process by which the two alleles for each gene separate during gamete formation?
What is the term for the process by which the two alleles for each gene separate during gamete formation?
What is the expected ratio of yellow-round seeds to green-wrinkled seeds in the F2 generation?
What is the expected ratio of yellow-round seeds to green-wrinkled seeds in the F2 generation?
What is the genotype of the P generation?
What is the genotype of the P generation?
During which stage of meiosis do the alleles of each gene separate?
During which stage of meiosis do the alleles of each gene separate?
When two genes are incompletely linked, what is the frequency of recombination between them?
When two genes are incompletely linked, what is the frequency of recombination between them?
What is the term for the process of crossing over between non-sister chromatids of homologous chromosomes during meiosis I?
What is the term for the process of crossing over between non-sister chromatids of homologous chromosomes during meiosis I?
What is the result of a trisomy 18?
What is the result of a trisomy 18?
What is the term for the inheritance of genes located on the same chromosome?
What is the term for the inheritance of genes located on the same chromosome?
What is the result of nondisjunction of sister chromatids during meiosis II?
What is the result of nondisjunction of sister chromatids during meiosis II?
What is the term for the genetic map of a chromosome based on recombination frequencies?
What is the term for the genetic map of a chromosome based on recombination frequencies?
What is the result of a deletion of a chromosomal segment?
What is the result of a deletion of a chromosomal segment?
What is the term for the presence of three copies of a particular chromosome?
What is the term for the presence of three copies of a particular chromosome?
What is the effect of genomic imprinting on the expression of the Igf2 gene in mice?
What is the effect of genomic imprinting on the expression of the Igf2 gene in mice?
What is the typical consequence of Beckwith-Wiedemann syndrome?
What is the typical consequence of Beckwith-Wiedemann syndrome?
What is the inheritance pattern of extranuclear genes?
What is the inheritance pattern of extranuclear genes?
What is the function of the Igf2 gene in humans?
What is the function of the Igf2 gene in humans?
What is the consequence of abnormal activation of the maternal Igf2 allele during egg formation or early development?
What is the consequence of abnormal activation of the maternal Igf2 allele during egg formation or early development?
What is the percentage of mammalian genes affected by genomic imprinting?
What is the percentage of mammalian genes affected by genomic imprinting?
What is the mechanism of genomic imprinting?
What is the mechanism of genomic imprinting?
What is the pattern of inheritance observed in the variegated leaves of the Croton dioicus plant?
What is the pattern of inheritance observed in the variegated leaves of the Croton dioicus plant?
What is the primary reason for genes located far away from each other on the same chromosome to behave as unlinked genes?
What is the primary reason for genes located far away from each other on the same chromosome to behave as unlinked genes?
Which of the following chromosomal abnormalities is characterized by an abnormal chromosome number?
Which of the following chromosomal abnormalities is characterized by an abnormal chromosome number?
What is the primary mechanism of genomic imprinting?
What is the primary mechanism of genomic imprinting?
What is the result of X-inactivation in mammalian females?
What is the result of X-inactivation in mammalian females?
Which of the following statements about organellar genes is true?
Which of the following statements about organellar genes is true?
What is the primary difference between chromosomal abnormalities and gene expression regulation?
What is the primary difference between chromosomal abnormalities and gene expression regulation?
What is the result of the silencing of either the paternal or maternal alleles of certain genes in genomic imprinting?
What is the result of the silencing of either the paternal or maternal alleles of certain genes in genomic imprinting?
What is the term for the inheritance of genes found in the nucleus of cells?
What is the term for the inheritance of genes found in the nucleus of cells?
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