Podcast
Questions and Answers
Which of the following is NOT a step in the general procedures for the lab exercise?
Which of the following is NOT a step in the general procedures for the lab exercise?
- Washing of specimen (wash the preserved frog using tap water) (correct)
- Wear your Lab gown and facemask
- Wash your hands and wear your gloves
- Disinfect your Pair/Group table using 70% Ethyl alcohol
How can you determine the sex of a frog based on the size of its body?
How can you determine the sex of a frog based on the size of its body?
- If the frog is bigger than 7 inches, it is female
- If the frog is smaller than 7 inches, it is female
- If the frog is smaller than 7 inches, it is male (correct)
- If the frog is bigger than 7 inches, it is male
What is the shape of the snout of a female frog?
What is the shape of the snout of a female frog?
- Pointed
- Flat
- Round (correct)
- Indented
What is the presence of vocal sacs an indicator of?
What is the presence of vocal sacs an indicator of?
What does a swollen thumb indicate in a frog?
What does a swollen thumb indicate in a frog?
Which of the following is a step in the general procedures for the lab exercise?
Which of the following is a step in the general procedures for the lab exercise?
What is the shape of the snout of a male frog?
What is the shape of the snout of a male frog?
What is the presence of vocal sacs an indicator of?
What is the presence of vocal sacs an indicator of?
What does a swollen thumb indicate in a female frog?
What does a swollen thumb indicate in a female frog?
What is the pigmentation of the skin in a male frog?
What is the pigmentation of the skin in a male frog?
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Study Notes
Sex Determination in Frogs
- The size of a frog's body is not a reliable indicator of its sex.
- A female frog has a rounded snout.
- The presence of vocal sacs is an indicator of a male frog.
- A swollen thumb in a male frog is an indicator of its sex.
Sex Characteristics
- Male frogs have a more pigmented skin compared to females.
- A swollen thumb is a characteristic of male frogs, not female frogs.
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