According to the chapter, what is the convention for the short arm of a chromosome in an ideogram?

Correct answer: It is called the p arm.

Explanation

This question checks for understanding of the standard nomenclature (p and q arms) used to describe chromosome structure in ideograms.

Other questions

Question 1

What is the typical structure of the genome in a prokaryotic organism like a bacterium?

Question 2

What is the approximate size of the E. coli genome in megabase pairs (Mbp)?

Question 3

What percentage of a typical bacterial genome may consist of coding sequences?

Question 4

What are the additional, extra-chromosomal DNA molecules that bacteria may harbor, which are typically circular and smaller than the main chromosome?

Question 5

The exchange of which genetic element among bacterial cells can play a significant role in the spread of antibiotic resistance?

Question 6

What term describes the number of copies of each chromosome an organism typically has in its genome?

Question 7

How many nuclear chromosomes are typically found in each somatic cell of a human?

Question 8

What is the definition of a diploid organism?

Question 9

In a diploid organism, what is the term for the pair of chromosomes that are very similar to one another in structure and sequence?

Question 10

What term describes a cell or individual organism that has an extra or missing portion of its genome compared to what is expected for that species?

Question 11

In humans, where the diploid number of chromosomes is 46 (2n=46), what is the value of 'n', the number of chromosomes in a single, haploid copy of the genome?

Question 12

What is the relationship between organism complexity, genome size, number of genes, and number of chromosomes?

Question 13

What is a karyotype?

Question 14

How would the karyotype of a male with Down syndrome, who has an extra copy of chromosome 21, be written?

Question 15

What does Giemsa staining produce on chromosomes, which can be used to identify them?

Question 16

In a human karyogram, what are the non-sex chromosomes, numbered 1-22, called?

Question 18

What is the approximate gene density in the human genome, measured in base pairs per gene?

Question 19

Approximately what percentage of the human genome consists of protein-coding gene sequences?

Question 20

What are SINEs and LINEs, which make up a significant portion of the human genome?

Question 21

The most common SINE in the human genome, which is about 300 base pairs long and has over a million copies, is known as the what sequence?

Question 22

What is the approximate length of the most common human LINE, known as LINE1?

Question 23

In a diploid organism with a diploid number of 40 (2n=40), what is the haploid number (n)?

Question 24

What is a karyogram?

Question 25

What is the primary characteristic of DNA regions that appear as dark bands after Giemsa staining?

Question 26

What is the exception to the rule of arranging human chromosomes from largest to smallest in a karyogram?

Question 27

What is an ideogram in the context of genetics?

Question 28

What was the former belief about the function of repetitive DNA like SINEs and LINEs in eukaryotic genomes?

Question 29

The fusion of a haploid sperm and a haploid egg results in the formation of what type of cell?

Question 30

Based on the data in Table 1, which organism has the largest approximate number of genes?

Question 31

How much of the human genome is composed of short interspersed nuclear elements (SINEs)?

Question 32

How much of the human genome is composed of long interspersed nuclear elements (LINEs)?

Question 33

What is the primary structural difference between eukaryotic chromosomes and prokaryotic chromosomes?

Question 34

What is the term for the copies of a chromosome in a diploid organism that are very similar in structure and sequence but not necessarily identical?

Question 35

Which technique for visualizing chromosomes involves staining them with different combinations of fluorescent molecules to give each pair a unique color?

Question 36

In a human karyogram, the sex chromosomes are typically placed where?

Question 37

In the standard notation for describing a location on a chromosome, such as 12q13.11, what does the 'q' represent?

Question 38

The majority of the human genome is not protein-coding sequence. What is a major component of this non-coding DNA?

Question 39

What is the term for an organism that has one copy of each chromosome?

Question 40

Why are organisms with an odd number of chromosome sets, like triploid bananas, often sterile?

Question 41

Based on the information in Table 1, which organism listed has the smallest number of nuclear chromosomes in its haploid genome?

Question 42

What does the term 'transposable element' refer to?

Question 43

In addition to their nuclear genome, what other organelle in human cells houses its own DNA?

Question 44

Are most of the SINEs and LINEs currently in the human genome mobile?

Question 45

What is the primary difference in gene density between prokaryotic and eukaryotic genomes?

Question 46

A tetraploid organism has how many copies of each chromosome?

Question 47

How are bacterial genomes typically different from bacterial plasmids?

Question 48

Based on the information in Table 1, approximately how many times larger is the human haploid genome than the fruit fly haploid genome in terms of base pairs?

Question 49

What does a karyotype notation like '47, XXX' describe?

Question 50

What is the primary function of extra-chromosomal plasmids in the context of bacterial survival and evolution?