Ch 12

Question 0

The process in which an identical copy of a DNA strand is firmed for a new cell

Answer 0

DNA replication

Question 1

Are molecules that contain nitrogen and other elements

Answer 1

Nitrogen bases

Question 2

The passing of physical charecteristics or traits from parent to offspring

Answer 2

Heredity

Question 3

Are composed mostly of proteins and dna and are located in a cells nucleus

Answer 3

Chromosomes

Question 4

The scientific study if Heredity

Answer 4

Genetics

Question 5

When a new organism begins to firm when and egg and sorry join

Answer 5

Fertilization

Question 6

Organism is the offspring of any generation that show the same form of a trait

Answer 6

Purebred

Question 7

The different form of a trait

Answer 7

Alleles

Question 8

One whose trait always shows up in an organism when the allele is present

Answer 8

Dominate alleles

Question 9

Is hidden whenever the dominate allele is present

Answer 9

Recessive allele

Question 10

Organism has two different allele for a trait

Answer 10

Hybrid

Question 11

A number that describes how likely a number will occur

Answer 11

Probability

Question 12

A chart that shoes all the possible way alleles can combine In a genetic cross

Answer 12

Punned square

Question 13

A chart that shows the presence or absence of a trait acording to the relationship within a family across several generation

Answer 13

Pedigree

Question 14

Phisycal traits

Answer 14

Phenotype

Question 15

Genetic makeup

Answer 15

Genotype

Question 16

An organism that has two identicka alleles for a trait

Answer 16

Homozygous

Question 17

An organism that has two different alleles for a trait

Answer 17

Heterozygous

Question 18

The process by which the numbers of chromosomes is reduced by half

Answer 18

Meiosis