Category 2

Quiz
•
Science
•
10th Grade
•
Medium
Standards-aligned
Crystal Mendoza
Used 1+ times
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The event that happens during prophase I of meiosis, that ensure there is variation in the gametes is called-
crossing over
variation
anaphase
chromosome segregation
Answer explanation
During crossing over the maternal and paternal chromosomes literally cross over each other and the section that gets crossed over has a reshuffling of genes. This means that the gamete (sex cell) produced will be different from the maternal or paternal chromosome.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which one correctly orders how DNA codes for proteins
protein-> mRNA-> DNA
mRNA-> protein-> DNA
DNA-> mRNA-> protein
mRNA-> DNA-> protein
Answer explanation
REMEMBER: DNA replicates during the S phase of interphase
To make proteins DNA must be transcribed into messenger RNA which can then leave the nucleus.
The mRNA will travel to a ribosome to make amino acids that link together to make polypeptide chains (proteins)
Tags
NGSS.HS-LS1-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
All organisms have genetic material. Genetic material is either DNA or RNA. If all organisms have Adenine, Thymine, Cytosine, and Guanine then we can assume that-
we are not related to any other organisms
we share a common ancestor with other organisms
there is no assumption
Answer explanation
DNA and RNA are made up of nucleotides. All living organisms have nucleotides. Therefore we can assume that there must be a universal link between living organisms because we share these nucleotides just in different proportions and arrangements.
Tags
NGSS.HS-LS4-1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The 3 parts of a nucleotide, the monomer of nucleic acids are:
phosphate, sugar, and base
carbon, sugar, base
phosphate, lipid, base
phosphate, sugar, hydrogen
Answer explanation
A nucleotide is the monomer of nucleic acids (DNA and RNA)
A nucleotide is made up of a phosphate and sugar (that make up the backbone) and a base (A, T, C, G, or U)
The base arrangement make up the genetic code.
5.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Mutations can sometimes be beneficial and may lead to evolution of a species. Some mutations however can lead to cancer or death. Which 2 mutations will have the GREATEST impact to an organism?
Chromosomal (trisomy and monosomy)
none of these
Frameshift
Substitution
Answer explanation
Chromosomal will always have the greatest impact since changing the chromosome number will affect many genes.
Frameshift mutations will change the instructions of the genetic code and lead to different proteins being made.
Point mutations such as substitution will not always make a difference and can sometimes be silent.
Tags
NGSS.HS-LS3-2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following shows a homozygous recessive allele pair?
DD
dd
Dd
cannot be determined
Answer explanation
The prefix homo means same, so same caps.
Recessive is lowercase letters and talks about the allele you only see if there is no dominant present.
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