Concepts in Evolution and Behavioural Genetics

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What percentage of the genome does the DNA that is transcribed and translated represent?

10 percent

2 percent (correct)

20 percent

50 percent

What is the main function of the centromere in a chromosome?

To transcribe the DNA into RNA

To store genetic information

To replicate the DNA

To hold the chromatids together during cell division (correct)

What is the difference between mitosis and meiosis?

Mitosis results in the same number of chromosomes, while meiosis results in half the number of chromosomes (correct)

Mitosis is cell division in somatic cells, while meiosis is cell division in gamete formation

Mitosis involves DNA replication, while meiosis does not

Mitosis is more common in plants, while meiosis is more common in animals

What is the dual function of DNA?

Self-replication and protein synthesis Signup and view all the answers

How many pairs of chromosomes do humans have?

23 pairs Signup and view all the answers

What is the relationship between linkage disequilibrium and gene mapping?

Linkage disequilibrium indicates that genes are close enough on a chromosome to be useful for gene mapping Signup and view all the answers

What is the relationship between DNA, RNA, and proteins?

DNA is transcribed into RNA, which is then translated into proteins Signup and view all the answers

What is the structure of DNA?

DNA has a double helix structure Signup and view all the answers

What is the purpose of gene inheritance through chromosomes?

To ensure that genetic information is passed down to offspring Signup and view all the answers

What is the purpose of having only one member of each chromosome pair in a gamete?

To ensure genetic diversity in offspring Signup and view all the answers

What is the significance of linkage disequilibrium between genes?

It implies that the genes are physically close together on the same chromosome Signup and view all the answers

What is the primary function of the centromere in a chromosome?

To hold the chromatids together during cell division Signup and view all the answers

What is the difference between mitosis and meiosis in terms of their outcomes?

Mitosis results in diploid cells, while meiosis results in haploid cells Signup and view all the answers

What is the primary function of proteins in the context of DNA and gene expression?

To carry out the functional roles encoded by genes Signup and view all the answers

What is the significance of having 23 pairs of chromosomes in human cells?

It allows for a greater diversity of gene combinations Signup and view all the answers

What is the relationship between DNA, RNA, and proteins in the central dogma of molecular biology?

DNA is transcribed into RNA, which is then translated into proteins Signup and view all the answers

What is the significance of the double helix structure of DNA?

It allows for the storage of genetic information Signup and view all the answers

What is the purpose of gene mapping in the context of linkage disequilibrium?

To determine the physical location of genes on chromosomes Signup and view all the answers

What is the dual function of DNA mentioned in the text?