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Question 1

what causes CHROMOSONAL ABNORMALITIES?

Answer 1

Mistakes in the cell-division process

Question 2

What Chromosone is affected in DOWNS SYDROME, and how does it affect a person

Answer 2

-addition of the 21st chromosome
-causes facial changes
-larger tounge
-disproportionate limbs
-decreased cognition

Question 3

What happens in GAP 1 of Mitosis?

Answer 3

Cell growth an Norma functions

Question 4

What happens in SYNTHESIS of mitosis?

Answer 4

DNA Copies

Question 5

What happens in GAP 2 of Mitosis?

Answer 5

Additional growth

Question 6

What is The difference between CHROMATIN and CHROMATID

Answer 6

Chromatin is the large strand of chromosomes, a Chromatid is the single strand (think of the X)

Question 7

What are the three types of chromosomes?

Answer 7

Autosome Chromosome
Homologous Chromosome
Sex Chromosome

Question 8

What are Homologous Chromosomes

Answer 8

Another type of autosome chromosomes
-carry the genes for an organisms characteristics

Question 9

What are Autosome Chromosomes

Answer 9

They are the main chromosome, there are 46 chromosomes in the human body, and 44 are autosome chromosomes

Question 10

What are sex chromosomes?

Answer 10

Determines the biological sex of the organism
-X and Y

Question 11

Name the 8 mutations

Answer 11

1.) Substitution ( silent, nonsense, missense), 2.) insertion, 3.) deletion, 4.) duplication, 5.) frame- shift

Question 12

____ turns into ____ in transcription

Answer 12

DNA turns into mRNA

Question 13

_____ turns into _______ in translation

Answer 13

mRNA turns into protein