Science HELP PLS

1. What is a Genetic Mutation?

A. the process of decreasing chromosome numbers to half of what the parent cell has

B. the copying of DNA to form identical daughter cells

C. a permanent change in an organism’s genetic code

D. a fusion of egg and sperm cell to produce a new individual***MY ANSWER

2. How does a mutation in the DNA affect the way proteins are made?

A. A mutation in the DNA results in misshapen tRNA molecules that do not fit inside the ribosomes.

B. A mutation in the DNA results in a change in the mRNA and, ultimately, to a different protein structure.

C. A mutation in the DNA affects the structure of mRNA, but it does affect the protein.****

D. A mutation in the DNA changes how the proteins that are made are passed down from parent to child.

3. A mutation in a gene that controls mitosis in cells may cause

A. Cancer***

B. cystic fibrosis.

C. albinism.

D. meiosis.

4. A person who has cystic fibrosis

A. inherited two normal alleles from a parent.

B. inherited one mutated allele and one normal allele from each parent.***

C. inherited two mutated alleles, one from each parent.

D. inherited two mutated alleles from a parent.

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  1. Got the answers, it's

    1. C
    2. B
    3. A
    4. C

    For anyone in the future :)

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  2. Jia is right thank you

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  3. Thanks Jia i got 100%

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  4. The Answers are CBAC

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  5. this website is neat.

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  6. wow ok its
    1.C
    2.A
    3.B
    4.D
    thx for getting me in F you guys

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  7. don`t listen to ugh he is probably doing it on the wrong lesson. jia is correct 4/4

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  8. CBAC are the correct answers for Science Grade 7 B Unit 4: Introduction to Genetics Lesson 8: Mutations.

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  9. At Connexus.

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  10. jia is correct

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  11. its c,b,a,c

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  12. Everyone is right here cabc are the answers and cbac

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  13. It is c.b.a.c

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  14. correct

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  15. Answers are CBAC!

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  16. Admit it she gots it right.

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  17. tHaNkS jIa

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  18. all of u are wrong it is cbac

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  19. Thanks, CBAC = 100%

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  20. 1.C
    2.B
    3.A
    4.C

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  21. cbac

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  22. Here are the answers for Unit 2 Lesson 8 Mutations Quick Check:
    1. What is a genetic mutation?
    C. a permanent change in an organism’s genetic code

    2. How does a mutation in the DNA affect the way proteins are made? B. A mutation in the DNA results in a change in the mRNA and, ultimately, to a different protein structure.

    3. A mutation in a gene that controls mitosis in cells may cause
    A. cancer

    4. A person who has cystic fibrosis
    C. inherited two mutated alleles, one from each parent.

    4/4 for me.

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  23. Hope that helps!

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  24. c,b,a,c are correct i got 4/4 :)

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  25. Answers:

    A:C
    B:B
    C:A
    D:C

    these are for CONNEXUS! not any other school. Love you all.

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  26. THANKS

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  27. Yeah, Science 7A Unit 3 lesson 8's answers are

    1. C
    2. B
    3. A
    4. C

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  28. This is the lastest

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  29. K uhmm. Why are we posting answers >.> Jkjk, Thankyousss
    ~Panda >.>

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  30. what's number 5?

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  31. THANK U JIA FROM THE PAST!!

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  32. Oh and thank you Jia

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  33. THOSE ANSWERS WERE PUT ON HERE 3 YEARS AGO!!! THAT IS INSANE. As well as thank you people from the past @# JIA!!!!!

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  34. Wait I mean FOUR YEARS AGO!!!!!!!!!!!!!

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  35. Everyone please remember that questions can be changed around. So people may get a different order of answer. Just a warning :)

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  36. thx

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  37. I know nun ya, I select my answers before I look at the web. so that way the senate doesnt decide my fate.

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  38. oh yea its 4/4

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  39. please help me with lesson 24 formative Writing Unit Test language arts i need help really badly i study and studyed but i need help whatz the answers' please

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  40. bruh if you studied why do you need answers

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  41. Tysm @Jia -w- I made a 100%

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  42. Ora?

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  43. Jia πŸ‘πŸ‘πŸ‘πŸ‘πŸ‘πŸ‘πŸ‘πŸ‘πŸ‘πŸ‘πŸ‘πŸ‘πŸ‘πŸ‘πŸ‘πŸ‘πŸ‘ you got me 100% yay THANK YOU SO MUCH!

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  44. the answers are
    cbac thx jia (btw idk why im thanking someone from the past)

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  45. Jia are 100% correct. Wow..I'm also thanking someone from the past.

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  46. @taehyung nice name.
    and @jia is correcrt~

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  47. correct** my bad

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  48. Jia’s second answer is CORRECT

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  49. C.
    B.
    A.
    C.
    Is the correct answers 100% 4/4 JIA is correct.

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  50. ;-;

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