Podcast
Questions and Answers
What is the process of imprinting in genetics?
What is the process of imprinting in genetics?
- The expression of all genes equally from both parents
- The process of gene mutation in somatic cells
- A mechanism that alters the hereditary material of an offspring
- A process that modifies chromosomes or genomes in the parental generation (correct)
What is the characteristic of imprinting that distinguishes it from classical Mendelian genetics?
What is the characteristic of imprinting that distinguishes it from classical Mendelian genetics?
- It involves only sex-linked genes
- It assumes that parental genomes are equivalent
- It shows that parental genomes are not equivalent (correct)
- It involves only autosomal genes
What is the outcome of imprinting during development?
What is the outcome of imprinting during development?
- Loss of all genetic information from one parent
- The same expression of genes from both parents
- Parent-of-origin-specific expression of certain genes (correct)
- Random inactivation of chromosomes
In which generation is imprinting established?
In which generation is imprinting established?
What is the nature of the changes caused by imprinting?
What is the nature of the changes caused by imprinting?
What is an example of imprinting related to sex determination?
What is an example of imprinting related to sex determination?
In which generation of flowering plants does imprinting occur?
In which generation of flowering plants does imprinting occur?
What is the result of endosperm with an incorrect ratio of paternally and maternally derived genomes in plants?
What is the result of endosperm with an incorrect ratio of paternally and maternally derived genomes in plants?
Which insect has been found to exhibit imprinting?
Which insect has been found to exhibit imprinting?
What is the role of the Medea gene in Arabidopsis?
What is the role of the Medea gene in Arabidopsis?
In mammals, what is the effect of imprinting on development?
In mammals, what is the effect of imprinting on development?
What is the characteristic of androgenetic or gynogenetic embryos in plants?
What is the characteristic of androgenetic or gynogenetic embryos in plants?
What type of zygotes form ovarian teratomas?
What type of zygotes form ovarian teratomas?
What is the advantage of using mice in studying imprinting?
What is the advantage of using mice in studying imprinting?
What is the term for pairs of chromosomes or parts of chromosomes derived from the same parent?
What is the term for pairs of chromosomes or parts of chromosomes derived from the same parent?
Which gene is imprinted in mice but not in humans?
Which gene is imprinted in mice but not in humans?
What is the estimated number of imprinted genes in humans and mice?
What is the estimated number of imprinted genes in humans and mice?
What is the result of alterations to imprinted genes in humans?
What is the result of alterations to imprinted genes in humans?
