Karyotypes

Question 1

Karyotype

Answer 1

Characteristics chromosome complement of a eukaryote species

Question 2

In normal autosomal chromosomes

Answer 2

Present in 2 identical copies

May or may not be sex chromosomes

Question 3

Polyploid Cells

Answer 3

Multiple copies of chromosomes and haploid cells have single copies

Question 4

Karyology

Answer 4

The study of whole sets of chromosomes

Nuclei and chromosomes inside

Question 5

Traditional process for karyotyping

Answer 5

Adding a dye to metaphasic chromosomes

Question 6

Different dyes that affect of the chromosomes are used for

Answer 6

range of identification purposes

Such as diagnosing Down Syndrome

Question 7

One common dye used is

Answer 7

Giemsa

Question 8

Giemsa is the process known as

Answer 8

G-Banding

Question 9

Why is the dye effective?

Answer 9

It markedly stains the bands on a chromosome

Question 10

Each chromosome can be identified by

Answer 10

Banding pattern

Result is similar overall gray values for each a chromosome

Question 11

Karyogram or idiogram

Answer 11

In pairs, ordered by size and position of centromere for chromosomes of the same size

Question 12

New karyotyping methods

Answer 12

Fluorescent dyes that bind to specific regions of chromosome

Question 13

By using series of specific probes each with varying amounts of dyes

Answer 13

Different pairs of chromosomes have unique spectral characteristics

Question 14

Pairing of the chromosome is simpler because….

Answer 14

Homologous pairs are the same color and aberrations and cross-overs are more easily recognizable