Vocabulary Chapter 8 Pt 2

Question 0

In an organism that reproduces sexually a cell containing two Homologous sets of chromosomes one set inherited from each parent

Answer 0

Diploid cell

Question 1

The arrest of cell division that occurs when cells grown in a laboratory dish touch each other

Answer 1

Density-dependent inhibition

Question 2

Repetition of part of a chromosome resulting from fusion with a fragment of Homologous chromosome

Answer 2

Duplication

Question 3

The union of the nucleus of a sperm cell with the nucleus of an egg cell producing a zygote

Answer 3

Fertilization

Question 4

The production by crossing over and or independent assortment of chromosomes during meiosis, of offspring with allele combinations different from those in the parents

Answer 4

Genetic recombination

Question 5

Two chromosomes that make up a matched pair and a diploid cell

Answer 5

Homologous chromosomes

Question 6

The period in the eukaryotic cell cycle when the cell is not actually dividing

Answer 6

Interphase

Question 7

A change in a chromosome resulting from reattachment of a chromosome fragment to the original chromosome but in a reverse direction

Answer 7

Inversion

Question 8

A display of micrographs of the metaphase chromosomes of a cell arranged by size and centromere position

Answer 8

Karyotype

Question 9

A type of cancer of the blood forming tissues characterized by an excessive production of white blood cells and an abnormally high number of them in the blood

Answer 9

Leukemia

Question 10

The particular site where a gene is found on a chromosome

Answer 10

Locus

Question 11

The spread of cancer cells being on the original site

Answer 11

Metastasis

Question 12

The division of a single nucleus into two genetically identical daughter nuclei

Answer 12

Mitosis

Question 13

Part of the cell cycle when the nucleus is divided chromosomes are distributed to the daughter nuclei and the cytoplasm divided producing two daughter cells

Answer 13

Mitotic phase

Question 14

A football shaped structure formed of microtubules and assorted proteins that is involved in the movements of chromosomes during mitosis and meiosis

Answer 14

Mitotic spindle

Question 15

An accident of meiosis or mitosis in which a pair of homologous chromosomes or a pair of sister chromatids failed to separate at anaphase

Answer 15

Nondisjunction

Question 16

The second stage of mitosis

Answer 16

Prometaphase

Question 17

The second stage of miosis

Answer 17

Prophase

Question 18

Cancer of the supportive tissues such as bone cartilage and muscle

Answer 18

Sarcoma

Question 19

A chromosome that determines whether an individual is male or female

Answer 19

Sex chromosome

Question 20

The creation of offspring by the fusion of two haploid sex cells forming a diploid zygote

Answer 20

Sexual reproduction

Question 21

One of two identical parts of the duplicated chromosome in a eukaryotic cell

Answer 21

Sister chromatids

Question 22

Any cell in a multicellular organism except a sperm or egg cell or a cell that develops into a sperm or egg

Answer 22

Somatic cell

Question 23

The fifth and final stage of mitosis

Answer 23

Telophase

Question 24

A paired set of homologous chromosomes each composed of two sister chromatids

Answer 24

Tetrad

Question 25

(1) during protein synthesis the movement of a tRNA molecule carrying a growing polypeptide chain from the a site to the P site on a ribosome (2) A change in a chromosome resulting from a chromosome fragment attaching to a non homologous chromosome

Answer 25

Translocation

Question 26

Down syndrome

Answer 26

Trisomy 21

Question 27

An abnormal massive sells the forms within otherwise normal tissue

Answer 27

Tumor

Question 28

The fertilized egg which is diploid that results from the union of a sperm cell nucleus and an egg cell nucleus

Answer 28

Zygote