What is a Punnett square?

Punnett squares & Pedigrees

Flashcard
•
Science, Biology
•
6th - 8th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
A Punnett square is a diagram used to predict the genetic makeup of offspring from two parents based on their genotypes.
2.
FLASHCARD QUESTION
Front
What does it mean for a baby to be a carrier of a trait?
Back
A carrier is an individual who has one copy of a recessive allele that does not manifest in their phenotype but can be passed on to offspring.
3.
FLASHCARD QUESTION
Front
What do circles represent in a pedigree chart?
Back
Circles represent females in a pedigree chart.
4.
FLASHCARD QUESTION
Front
What do squares represent in a pedigree chart?
Back
Squares represent males in a pedigree chart.
5.
FLASHCARD QUESTION
Front
What is the difference between autosomal dominant and autosomal recessive traits?
Back
Autosomal dominant traits require only one copy of the allele to be expressed, while autosomal recessive traits require two copies.
6.
FLASHCARD QUESTION
Front
What is an X-linked recessive trait?
Back
An X-linked recessive trait is a genetic condition that is expressed in individuals who have two copies of the recessive allele on the X chromosome, often affecting males more than females.
7.
FLASHCARD QUESTION
Front
How can you determine the number of offspring in a pedigree chart?
Back
You can count the number of vertical lines leading from a couple to their offspring in the pedigree chart.
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