What is the main focus of the genetics problem discussed in the video?

Genetic Crosses and Punnett Squares

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Biology
•
9th - 10th Grade
•
Hard

Patricia Brown
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Crossing two dwarf homozygous pea plants
Crossing two different species of plants
Crossing a tall homozygous pea plant with a dwarf homozygous pea plant
Crossing a tall heterozygous pea plant with a dwarf homozygous pea plant
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a Punnett square used for?
To calculate the height of plants
To determine the color of flowers
To predict the outcome of genetic crosses
To measure the growth rate of plants
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the dominant allele represented in the Punnett square?
With a number
With a lowercase letter
With a capital letter
With a symbol
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of crossing a lowercase 't' with a capital 'T' in the Punnett square?
tt
TT
Tt
tT
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the genotype ratio obtained from the Punnett square?
50% TT, 50% tt
50% Tt, 50% tt
100% Tt
75% TT, 25% tt
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the phenotype represent in this genetic cross?
The genetic makeup of the plants
The physical appearance of the plants
The growth rate of the plants
The color of the plants
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What phenotype is observed in all the plants from this cross?
All dwarf plants
All tall plants
Half tall, half dwarf plants
No plants
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