Genotype/ Phenotype
Define: Phenotype
Phenotype: Physical appearance
Define Dominant and Recessive
Dominant: The allele that takes over and is stronger
Recessive: The allele that is weaker
Create your own punnet square and solve it
Check students answer
What is something that only Asexual reproduction organisms can do?
Re grow body parts
Define ecosystem:
How organisms react and respond to their environment
Define Genotype:
Genotype: Genetic make-up
Define Homozygous and Heterozygous
Homozygous: Two of the SAME genes
Heterozygous: Two DIFFERENT genes
What do the letters on the inside of the Punnett square stand for?
The possible genotypes for the offsprings
Fill in the blank.
Sexual Reproduction:
Offspring are a (combination or identical) of ______ parents and are therefore different from each parent.
combination
2 parents
What are the 2 factors of an ecosystem?
Abiotic and biotic
For each genotype below determine what PHENOTYPE would be possible
Yellow flowers are dominant to white flowers
YY: _________
Yy: _________
yy: _________
YY: Yellow
Yy: Yellow
yy: White
Identify the genotypes below and indicate whether it is heterozygous (He) or Homozygous (Ho)
Pp: _________
EE: _________
Dd: _________
FF: _________
Pp: He
EE: Ho
Dd: He
FF: Ho
What do the letters on the outside of the Punnett square stand for?
What goes at the top of the punnet square?
What goes at the side of the punnet square?
Mother and Father
Mother: Top
Father: Side
Fill in the blank.
Asexual Reproduction:
Type of reproduction in which a new organism is produced from ______ parent, and the offspring is (identical or combination) to the parent.
1 parent
identical
Fill in the blank.
_______________ living parts of an ecosystem
_______________ non living parts of an ecosystem
Biotic: living parts of an ecosystem
Abiotic: non living parts of an ecosystem
For each phenotype below determine what GENOTYPE would be possible. Use the letter provided.
Brown eyes are dominant to blue eyes. (B)
_______: Brown
_______: Brown
_______: Blue
BB
Bb
bb
Which genotypes below would be considered Homozygous Dominant. Select all that apply.
a. LL
b. Tt
c. AA
d. YY
A, C, D
With using the handout, which 2 punnet squares are filled in correctly?
a.
b.
c.
d.
C, D
How does the reproduction PROCESS work for:
Asexual:
Sexual:
Asexual: "Budding" a part of the plant breaks off and grows on its own
Sexual: Sperm must fertilize the egg
Identify if the organisms below are considered Abiotic or Biotic factors.
Soil:
Cats:
Rain:
Trees:
Soil: Abiotic
Cats: Biotic
Rain: Abiotic
Trees: Biotic
With using the handout provided. Fill in the missing genotypes.
1. Homozygous smooth pod: ______
2. Heterozygous for pod color: _____
3. Homozygous axial: _____
4. Homozygous short: ______
5. Heterozygous seed coat color: ______
1. Homozygous smooth pod: SS
2. Heterozygous for pod color: Gg
3. Homozygous axial: AA
4. Homozygous short: tt
5. Heterozygous colored seed coat: Cc
Which genotypes below would be considered Homozygous Recessive. Select all that apply.
a. Ww
b. cc
c. DD
d. nn
B, D
In certain cows, Brown (B) is dominant over white (b). Complete the punnet square.
Mother: Bb Father: bb
What percentage of offspring will be Brown?
What percentage of offspring will be White? ____________
Check punnet square
50% Brown
50% White
Based on the information below correctly identify if the organism has a asexual, sexual reproduction or both.
Starfish: At certain times of the year male and female starfish release sperm and eggs into the ocean but they can reproduce at other times. They simply split into half and grow new body parts.
Both
In the correct order fill in the levels of organization from start to finish.
_____ --> ______ --> ______ --> _______
1. Species
2. Population
3. Community
4. Ecosystem