How can karyograms be used to determine sex and diagnose Down Syndrome in humans?
How can karyograms be used to determine sex and diagnose Down Syndrome in humans?
1 Answer
Questions and Answers For
IB Biology
662 Questions
Ask a question
How do diploid chromosome numbers vary among Homo sapiens, Pan troglodytes, Canis familiaris, Oryza sativa, and Parascarsis equorum?
How do diploid chromosome numbers vary among Homo sapiens, Pan troglodytes, Canis familiaris, Oryza sativa, and Parascarsis equorum?
1 Answer
How do the genome sizes of T2 phage, Escherichia coli, Drosophila melanogaster, Homo sapiens, and Paris japonica compare?
How do the genome sizes of T2 phage, Escherichia coli, Drosophila melanogaster, Homo sapiens, and Paris japonica compare?
1 Answer
How does Cairns’ technique use autoradiography to measure the length of DNA?
How does Cairns’ technique use autoradiography to measure the length of DNA?
1 Answer
How are sex and autosomes distinguished in determining an organism’s sex?
How are sex and autosomes distinguished in determining an organism’s sex?
1 Answer
What information does a karyogram provide about an organism’s chromosomes?
What information does a karyogram provide about an organism’s chromosomes?
1 Answer
How is the number of chromosomes a characteristic feature of a species?
How is the number of chromosomes a characteristic feature of a species?
1 Answer
What characterizes haploid nuclei in terms of chromosome pairs?
What characterizes haploid nuclei in terms of chromosome pairs?
1 Answer
What defines diploid nuclei in terms of homologous chromosome pairs?
What defines diploid nuclei in terms of homologous chromosome pairs?
1 Answer
What are homologous chromosomes, and how do they relate to gene sequence and allele variation?
What are homologous chromosomes, and how do they relate to gene sequence and allele variation?
1 Answer
Welcome to our Q&A page! Here, you can find answers to frequently asked questions about our courses, features, and other topics related to our content. If you have a question that's not covered, feel free to ask, and we'll be happy to help!
Quiz Leaderboard
1st
Sourav
Score: 90%
Questions: 20
2nd
Priyanka
Score: 90%
Questions: 10
3rd
Vesnce
Score: 45%
Questions: 20
4th
Hector
Score: 40%
Questions: 10
Top Questions
-
Discuss the advantages and disadvantages of genetically modifying crops, including soya, maize and rice
Sourav
-
Outline the process of genetic modification using bacterial production of a human protein as an example, limited to: (a) isolation of the DNA making up a human gene using restriction enzymes, forming sticky ends (b) cutting of bacterial plasmid DNA with the same restriction enzymes, forming complementary sticky ends (c) insertion of human DNA into bacterial plasmid DNA using DNA ligase to form a recombinant plasmid (d) insertion of recombinant plasmids into bacteria (specific details are not required) (e) multiplication of bacteria containing recombinant plasmids (f) expression in bacteria of the human gene to make the human protein
-
Outline examples of genetic modification: (a) the insertion of human genes into bacteria to produce human proteins (b) the insertion of genes into crop plants to confer resistance to herbicides (c) the insertion of genes into crop plants to confer resistance to insect pests (d) the insertion of genes into crop plants to improve nutritional qualities
-
Describe genetic modification as changing the genetic material of an organism by removing, changing or inserting individual genes
-
Describe and explain the conditions that need to be controlled in a fermenter, including: temperature, pH, oxygen, nutrient supply and waste products
-
Describe how fermenters can be used for the large-scale production of useful products by bacteria and fungi, including insulin, penicillin and mycoprotein
