Guided Reading Lesson 4
Guided Reading Lesson 4
How are traits inherited? Pg. 84-92
How are traits inherited? Pg. 84-92
Mendel’s Experiment p. 88-89
1. Gregor Mendel was an Austrian __________.
Mendel’s Experiment p. 88-89
1. Gregor Mendel was an Austrian __________.
2. Mendel observed that some plans look
______________ and some plants look
_______________.
3. He wondered how __________ are passed
from one____________ to the next.
4. Describe the 2 reasons Mendel chose to
study pea plants.
_______________________________________________
_______________________________________________
5. What does it mean that the pea plants were
“self-pollinated?”
_______________________________________________
________________________
6. Decribe how Mendel conducted one of his
experiments._______________________________
___________________________________________
___________________________________________
7. Decribe the results Mendel got from his
experiments._______________________________
___________________________________________
___________________________________________
8. Today Mendel is considered the father of
________________. Genetics is the study of
_________________.
2. Mendel observed that some plans look
______________ and some plants look
_______________.
3. He wondered how __________ are passed
from one____________ to the next.
4. Describe the 2 reasons Mendel chose to
study pea plants.
_______________________________________________
_______________________________________________
5. What does it mean that the pea plants were
“self-pollinated?”
_______________________________________________
________________________
6. Decribe how Mendel conducted one of his
experiments._______________________________
___________________________________________
___________________________________________
7. Decribe the results Mendel got from his
experiments._______________________________
___________________________________________
___________________________________________
8. Today Mendel is considered the father of
________________. Genetics is the study of
_________________.
Dominant vs. Recessive p. 90-91
1. The plants of Mendel’s first generation had
only one kind of __________.
2. The traits of the second generation always
had a ratio of ___________.
3. __________of those plants had the trait that
wasn’t seen in the _____________________.
Dominant vs. Recessive p. 90-91
1. The plants of Mendel’s first generation
had only one kind of __________.
2. The traits of the second generation
always had a ratio of ___________.
3. __________of those plants had the trait
that wasn’t seen in the
4. Mendel called the information for a trait a
_______________.
5. He concluded that every plant has two
________________ for a characteristics, one
factor from the ____________ and one factor
from the _________________.
_____________________.
4. Mendel called the information for a trait a
_______________.
5. He concluded that every plant has two
________________ for a characteristics,
one factor from the ____________ and one
factor from the _________________.
6. One of the factors stays hidden in the
_____________________, but that factor is
seen, or expressed , in the second.
7. Mendel reasoned that some factors are
stronger or _______________, while others
6. One of the factors stays hidden in the
_____________________, but that factor is
seen, or expressed , in the second.
7. Mendel reasoned that some factors are
stronger or _______________, while others for
for a pair of traits are weaker or
___________________.
8. What happens when an offspring inherits
either one or two dominant
factors?________________________________
9. The other trait of the pair shows up only
if an offspring has two
_______________________.
10. Determine which of the following is
dominant or recessive.
a. Attached earlobes_______________
b. Tall height____________________
c. Cleft Chin____________________
11. Scientists use ____________ to stand for
traits.
12. Suppose the factor for tall stems is
represented by ________. The factor for
short stems is represented by ________.
13. A plant with two T factors or _______ will
have ________ stems. A plant with two t
factors of ______ will have _________
stems.
14. A plant with one T factor and one t factor
or _______ will have ______ stems, but
________ of the offspring will have
________ and _______ will have short
stems.
a pair of traits are weaker or
___________________.
8. What happens when an offspring inherits
either one or two dominant
factors?________________________________
9. The other trait of the pair shows up only if
an offspring has two _______________________.
10. Determine which of the following is dominant
or recessive.
a. Attached earlobes_______________
b. Tall height____________________
c. Cleft Chin____________________
11. Scientists use ____________ to stand for
traits.
12. Suppose the factor for tall stems is
represented by ________. The factor for
short stems is represented by ________.
13. A plant with two T factors or _______ will
have ________ stems. A plant with two t
factors of ______ will have _________ stems.
14. A plant with one T factor and one t factor or
_______ will have ______ stems, but ________
of the offspring will have ________ and
_______ will have short stems.
Genes and Inheritance p. 92
1. Mendel’s “factors” for inheritance are what
we call ________.
2. What is the purpose of genes in the
body?______________________________________
___________________________________________
___________________________________________
3. What are some other traits that can be
inherited.__________________________________
___________________________________________
Genes and Inheritance p. 92
1. Mendel’s “factors” for inheritance are what
we call ________.
2. What is the purpose of genes in the
body?______________________________________
___________________________________________
___________________________________________
3. What are some other traits that can be
inherited.__________________________________
___________________________________________