genetics, punnett squares, heredity

Flashcard
•
Science
•
7th Grade
•
Easy
+2
Standards-aligned
Miss Kay
Used 2+ times
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a homozygous allele pair?
Back
A homozygous allele pair consists of two identical alleles for a particular gene, such as BB or bb.
2.
FLASHCARD QUESTION
Front
What is a heterozygous allele pair?
Back
A heterozygous allele pair consists of two different alleles for a particular gene, such as Bb.
3.
FLASHCARD QUESTION
Front
What does it mean when an allele is dominant?
Back
A dominant allele is one that expresses its trait even when only one copy is present (e.g., T in Tt).
4.
FLASHCARD QUESTION
Front
What does it mean when an allele is recessive?
Back
A recessive allele only expresses its trait when two copies are present (e.g., tt).
5.
FLASHCARD QUESTION
Front
What is a Punnett square?
Back
A Punnett square is a diagram used to predict the genetic outcomes of a cross between two organisms.
6.
FLASHCARD QUESTION
Front
How do you calculate the probability of a trait using a Punnett square?
Back
Count the number of times the desired trait appears in the Punnett square and divide by the total number of outcomes.
Tags
NGSS.HS-LS3-3
7.
FLASHCARD QUESTION
Front
What is heredity?
Back
Heredity is the passing of traits from parents to offspring.
Tags
NGSS.HS-LS3-1
NGSS.HS-LS3-2
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