Unit 5 AP Biology (Heredity)

Quiz
•
Biology
•
9th - 12th Grade
•
Medium
+1
Standards-aligned
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which organisms have ribosomes?
Eukaryotes
Prokaryotes
Both
Answer explanation
All organisms have ribosomes. This is an ancestral trait. It emerged in the common ancestor so the common ancestor to all of life had ribosomes.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cross between dihybrid and double recessive: what ratio do you expect?
1:1:1:1
1:2:1
9:3:3:1
12:3:1
Answer explanation
AaBb = ½ x ½ = ¼
Aabb = ½ x ½ = ¼
aaBb = ½ x ½ = ¼
aabb = ½ x ½ = ¼
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identify why many animals undergo plasticity
Different genotypes
Different ancestors
Differential reproductive selection
Different species
Answer explanation
Plasticity involves a phenotypic change due to an environmental change. This process will allow individuals to have a higher fitness.
Example: The snowshoe hare is able to blend into the snowly environment during the winter then the muddy environment during summer.
Tags
NGSS.HS-LS4-4
NGSS.HS-LS4-5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What moves apart during anaphase I of meiosis I?
Homologous chromosomes
Sister chromatids
Answer explanation
Meiosis I involves homologous chromosomes. During anaphase I, the homologous chromosomes that aligned on the metaphase plate during metaphase I are segregating to opposite poles.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A mutation in the mitochondrial DNA is from
Father
Mother
Both parents
Neither random occurrence
Answer explanation
The egg has all of the organelles for the zygote. This includes the mitochondria. If the mitochondria has a genetic issue, then that issue will occur in all of the offspring.
Tags
NGSS.HS-LS3-2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Assuming complete dominance, what are the parents if the offspring have a 1:1 ratio?
Homozygous recessive and heterozygous
Homozygous recessive and homozygous dominant
Heterozygous and homozygous dominant
Heterozygous and heterozygous
Answer explanation
The homozygous recessive parent is only able to donate a recessive allele. This means that the half and half must result in another parent having one dominant and one recessive allele (heterozygous).
Tags
NGSS.HS-LS3-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The type of inheritance where the phenotype is intermediate
Codominance
Complete dominance
Incomplete dominance
Answer explanation
Neither allele is completely dominant. This results in a blending between the two dominant alleles to result in a different phenotype.
Example: Red X White --> Pink
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