Genetics

Question 1

heredity

Answer 1

the passing of traits from parents to offspring

Question 2

genetics

Answer 2

the branch of biology dealing with heredity and the variation of inherited cells

Question 3

deoxyribonucleic acid

Answer 3

a molecule that carries genetic information in cells

Question 4

gene

Answer 4

a segment of a DNA molecule that codes for a particular trait: found on a specific location on chromosome

Question 5

locus

Answer 5

the location of a gene on a chromosome

Question 6

polyploid

Answer 6

having more than two sets of chromosomes

Question 7

asexual reproduction

Answer 7

the production of offspring from a single parent; the genetic makeup of offspring is identical to that of parent

Question 8

sexual reproduction

Answer 8

the production of offspring from the fusion of two sex cells; the genetic makeup of the offspring is different from that of either parent

Question 9

fragmentation

Answer 9

a method of asexual reproduction in which a piece or body fragment of the parent organism develops into a mature individual

Question 10

mitosis

Answer 10

the process by which a eukaryotic cell divides the genetic material in its nucleus into the two new identical nuclei

Question 11

interphase

Answer 11

the portion of the cell cycle between mitotic divisions when the genetic material is duplicated

Question 12

chromatin

Answer 12

the tangled strand of DNA and protein with a eukaryotic nucleus

Question 13

sister chromatid

Answer 13

the identical copy of a single chromosome that remains attached to the original chromosome at the centromere

Question 14

cytokinesis

Answer 14

the process in which a eukaryotic cell divides its cytoplasm into two new daughter cells

Question 15

cloning

Answer 15

the process of producing one individual that is genetically identical to another, using a single cell or tissue

Question 16

biotechnology

Answer 16

the use and modification of organisms for application in engineering, industry, and medcine

Question 17

genetically modified organisms

Answer 17

an organism in which the genetic material has been altered using genetic engineering techniques

Question 18

gamete

Answer 18

a sex cell

Question 19

The haploid chromosome number in humans is

Answer 19

23

Question 20

What name did Mendel give to the characteristics that seemingly disappeared for a generation

Answer 20

Recessive

Question 21

Durning Meiosis, genetic variation in the gametes is acheived by?

Answer 21

Crossing over and random assortment

Question 22

Colourblindness is a sexlinked chcaracteristic because the gene is

Answer 22

Carried on a sex chromosome

Question 23

A man is hemophilliac. This indicates that he

Answer 23

Inherited the condition from his mother

Question 24

If a human zygote has an X and Y chromosome, it will normally produce a

Answer 24

Male