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WorksheetsUnit 4 Lesson 1-4 Review
Total questions: 15
Worksheet time: 8mins
1. One trait in which humans differ is hair. What are two variations of this trait?
Long and short
blonde and black
pony tail and buzz cut
mullet and no mullet
2. Felicia, Maria, and Louis are siblings. Felicia is the oldest and Louis is the youngest. Maria is in the middle. How much of their genetic information will they have in common?
They all have exactly the same information because they have the same mother and father.
Maria and Felicia share the same information but not Louis.
They have no genetic information in common because they are not triplets.
They share about 50% of their genetic information with each of the other siblings.
3. Which of the following is an example of an inherited trait?
six pack abs
widows peak
scar
broken arm
4. Which of the following is an example of an acquired trait
six pack abs
widows peak
PTC tasting
hitchhikers thumb
5. Which of the following is an example of a trait that is both acquired and inherited?
PTC tasting
LeBron's athletic ability
widows peak
scar
6. What word do scientists use when they are talking about characteristics of an organism?
DNA
traits
dominant recessive
genes
7. How would you define species?
All organisms that can mate with one another and produce viable offspring
Organisms that can mate with one another
Organisms that have all of the same characteristics
Nonliving creatures
8. What is the physical molecule that carries instructions for specific traits?
pedigrees
DNA
cell nucleus
cytoplasm
9. Kioshi and Raidon are brothers. Both of their parents have brown eyes. Kioshi also has brown eyes but Raidon’s eyes are grey. Which of the following explains why the brothers have different eye color?
Parents who both have brown eyes always have at least one offspring with grey eyes.
Offspring from the same parents always inherit the same traits.
Sometimes an offspring can show a variation of a trait that neither parent has.
Eye color is an acquired trait.
10. Caitrin and Fiona are identical twin girls. You learned that this means they have the same DNA that carries the same set of instructions for traits. Examine the chart of the girls’ characteristics.
The girls are not identical twins.
The characteristics that differ are due to environment influences.
The characteristics that differ are determined by genes.
there is no difference
11. Examine the pedigree below. Which of the following statements best fits the data?
Two parents with no widow’s peak only have children with no widow’s peak.
Two parents with widow’s peaks only have widow’s peak children.
If parents do not match on the widow's peak trait, the children will all have no widow's peak.
If parents do not match on the trait, the children will all have widow’s peak.
12. Which of the following statements about plant and human reproduction is incorrect?
plants and humans have egg cells
plants and humans reproduce sexually
plants and humans reproduce asexually
13. Choose the claim that supports the pedigree data below.
For some traits, when parents have the same trait, the offspring always have the same traits as the parents.
Offspring can get instructions for a trait for either parent.
It is possible for offspring to have a trait that neither parent shows.
14. Which of the following is not a male reproductive part of the flower?
filament
stigma
anther
pollen
15. Choose the claim that supports the pedigree data below.
Offspring can get instructions for a trait from either parent
Offspring can show a variation of a trait that neither parent shows.
Certain combinations of parents always have offspring that look like them.
