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Flashcards in Ch 12 Deck (19):
0

Are molecules that contain nitrogen and other elements

Nitrogen bases

1

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

DNA replication

2

The passing of physical charecteristics or traits from parent to offspring

Heredity

3

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

Chromosomes

4

The scientific study if Heredity

Genetics

5

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

Fertilization

6

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

Purebred

7

The different form of a trait

Alleles

8

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

Dominate alleles

9

Is hidden whenever the dominate allele is present

Recessive allele

10

Organism has two different allele for a trait

Hybrid

11

A number that describes how likely a number will occur

Probability

12

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

Punned square

13

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

Pedigree

14

Phisycal traits

Phenotype

15

Genetic makeup

Genotype

16

An organism that has two identicka alleles for a trait

Homozygous

17

An organism that has two different alleles for a trait

Heterozygous

18

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

Meiosis