Chapter 8 and 9 and 14 and15 study guide

Question 0

Why are chromatids?

Answer 0

Duplicate Halves of chromosomes

Question 1

What do DNA need to do To fit inside of the cell?

Answer 1

Becomes More Calmpact By wrapping around protein

Question 2

When is it centromere?

Answer 2

a protein disk that attaches two chromatids to each other in a chromosome

Question 3

What is the difference between chromatids of eukaryotes and prokaryotes?

Answer 3

Eukaryotes have more than one chromosome while prokaryotes have one chromosome

Question 4

How many chromosomes in your body cells.?

Answer 4

46 in body cells

Question 5

When is the difference between a diploid and I haploid cell?

Answer 5

Diploid: 46 chromosomes body cells 1n
Haploid: 23 chromosomes, sex cells sperm egg 1n

Question 6

What is mitosis?

Answer 6

A process in which as cells nucleus divides

Question 7

Well happens going mitosis?

Answer 7

Chromosomes exchange segments of DNA

Question 8

How many chromosomes you receive from your mother and father?

Answer 8

22 Autosomes and a sex chromosome from each parent

Question 9

Chapter 9

Answer 9

Chevy

Question 10

Differences between homozygotes and heterozygotes Alleles

Answer 10

Homozygotes is too similar alleles and heterozygote has two different alleles

Question 11

How many cells in chromosomes does meiosis Produce?

Answer 11

Producers 4 cells, each with 23 chromosomes.

Question 13

Why do the letters Tt represent

Answer 13

Each Letter represents one Allele

Question 14

In a punnet square what do letters inside the box represent

Answer 14

The offspring of a cross

Question 15

Who is Gregor Mendel

Answer 15

Father of genetics with pea plants

Question 16

What are the differences between dominant and recessive

Answer 16

Dominick mask the recessive and recessive is masked by dominate

Question 17

What is phenotype what is a genotype

Answer 17

P-physical appearance based on the genotype

G- the genetics of an organism

Question 18

In Mendel’s. Experiment the results of the F in one generation

Answer 18

The result showed the dominate trait

Question 19

What is the difference between a monohybrid and dihybrid cross

Answer 19

Mono involves only one trait

Di hybrid involves crosses of two traits

Question 20

Chapter 10

Answer 20

Chapter 10

Question 21

What is the primary function of DNA

Answer 21

Storing and transmitting genetic information

Question 22

What is DNA Maid of

Answer 22

Deoxyribose sugar
Phosphate
Nitrogen containing base

Question 23

What are the bases in DNA and RNA

Answer 23

DNA a-t pair up g-c pair up

RNA a-u pair up g-c pair up

Question 24

What is the difference between DNA and RNA

Answer 24

DNA is double-stranded deoxyribose sugar and thymine base

RNA is Single-stranded it has a ribose sugar and a uracil base

Question 25

What is the function of tRNA mRNA rRNA

Answer 25

TRNA transfer RNA brings amino acids to the ribosomes MRNA messenger RNA takes information from DNA out of the nucleus Are RNA ribosomal RNA makes up ribosomes

Question 26

What happens during transcription

Answer 26

DNA is copied into a strand of mRNA the mRNAs able to leave the nucleus

Question 27

What happens during Translation

Answer 27

MRNA is read by the ribosomes. The tRNA matches amino acids to the codon on mRNA to make a protein

Question 28

Chapter 14-15

Answer 28

Gang

Question 29

What is spontaneous generation

Answer 29

The belief the living organisms can come from living organisms

Question 30

Who is Francisco Redi and how did he get disproved spontaneous Generation

Answer 30

Scientist who used rotting meat

Question 31

Who is Louis pasture

Answer 31

He disproved spontaneous generation using curved neck flasks

Question 32

How old is the earth

Answer 32

4.6 billion years old

Question 33

Charles Darwin

Answer 33

Studied on the Galapagos Islands created the theory of evolution which means that species changes over time by natural selection

Question 34

Natural selection

Answer 34

Organisms with traits well suited their environment survive and reproduce more successfully than organisms less suited to their environment

Question 35

Adaption

Answer 35

The process by which the population becomes better suited to its environment

Question 36

Darwin studied

Answer 36

He studied finches and concluded that they are came from a common ancestor

Question 37

What is vestigial structure name some examples

Answer 37

``` Structure that was once useful to any ancestor but is no longer useful Hipbone in a whale legs in a snake appendix tailbone ```

Question 38

What is homeless structure name some examples

Answer 38

Similar features that originated in a shared Ancester

Question 39

What is biogeography

Answer 39

Study of the distribution of fossils

Question 40

Individuals that are well adapted to their environment will do what?

Answer 40

Survive and reproduce

Question 41

What species developed because of artificial selection

Answer 41

Dogs