Daily Lesson Log ( DLL) in General Biology 2
SY 2018-2019
I. OBJECTIVES
A. Learning Competencies
Explain sex related inheritance and recombination.( STEM BIO11/12-IIIa-b2)
B. Learning Outcome
Distinguish sex-linked traits from other sex- related traits.
C. Learning Objectives(KSA)
1. Describe the sex related inheritance and recombination.
2. Distinguish sex linked traits from other sex related traits
3. Give examples of other sex-related traits.
II. CONTENT
Inheritance of Sex Linked Characters
III. LEARNING RESOURCES
A. References
Teaching Guide in General Biology 2 pp 8-12
General Biology 2 pp 78-80
B. Other Learning
Resources
IV. PROCEDURES
A. Reviewing previous lesson or
presenting the new lesson
Describe the following terms in ONE word.
1. Somatic
2. 1-22 chromosomes
3. 23rd pair chromosomes
4. XX
5. XY
B. Establishing a purpose for the
lesson
Tell something about the pictures:
What do you think are these traits all about?
C. Presenting examples/
instances of the new lesson
Case Study:
Could you see a figure in the picture? Recite aloud.
Is baldness occurs more in men or women?
Who among the men and women are able to lactate or breastfeed their young?
D. Discussing new concepts and
practicing new skills
Divide the learners into 4 groups:
Group 1 Sex-linked Traits
-Define X-linked trait and Y-linked trait
-How X-linked and Y-linked traits happens?
-Give an examples of X-linked trait and Y linked trait? Explain how does it happens.
Group 2 Sex-influenced trait
-Define sex-influenced trait
-Explain why traits maybe expressed differently between sexes.
-Give example of sex-influenced trait
Group 3 Sex-limited traits
-Define sex-limited traits
- Explain why sex-limited traits
Group 4 Recombination
*Please see attached Rubrics for Group Activity
E. Developing mastery( Leads to
formative Assessment3)
From the readings you gathered.. share your findings by answering the following questions:
1. Describe the sex related inheritance and recombination.
2. Distinguish sex linked traits from other sex related traits
3. Give examples of other sex-related traits.
F. Finding Practical applications
of concepts
Interdisciplinary
G. Making generalizations and
abstraction about the lesson
Group 1-Make a poem with 4 lines
Group 2-Cite National Heroes that possess sex related inheritance and sex related traits
Group 3-If a human male and female produce children, what proportion of their offspring should be males?
What proportion should be females? Illustrate using a Punnett square.
Give your insights regarding our lessons for today?
1. Sex-linked Traits
2. Sex-influenced trait
3. Sex-limited Traits
4. Recombination
H. Evaluating Learning
Identify the sex related inheritance of the following pictures. Explain your answer.
**Please see attached rubrics in Explaining their answers.
Prepared by
MARIBETH Q. ADIER
Teacher III-Senior High