Genetics Study Guide
Flashcard
•
Science
•
7th Grade
•
Practice Problem
•
Hard
+1
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a Punnett square?
Back
A Punnett square is a diagram used to predict the outcome of a genetic cross by showing the possible combinations of alleles from the parents.
2.
FLASHCARD QUESTION
Front
What does it mean if an organism is heterozygous?
Back
An organism is heterozygous if it has two different alleles for a particular gene, such as 'Yy'.
3.
FLASHCARD QUESTION
Front
What does it mean if an organism is homozygous?
Back
An organism is homozygous if it has two identical alleles for a particular gene, such as 'YY' or 'yy'.
4.
FLASHCARD QUESTION
Front
What is the dominant allele?
Back
The dominant allele is the version of a gene that is expressed in the phenotype when at least one copy is present.
Tags
NGSS.HS-LS3-1
5.
FLASHCARD QUESTION
Front
What is the recessive allele?
Back
The recessive allele is the version of a gene that is only expressed in the phenotype when two copies are present.
6.
FLASHCARD QUESTION
Front
What is the genotype?
Back
The genotype is the genetic makeup of an organism, represented by the alleles it possesses.
Tags
NGSS.HS-LS1-1
NGSS.HS-LS3-2
7.
FLASHCARD QUESTION
Front
What is the phenotype?
Back
The phenotype is the observable physical or biochemical characteristics of an organism, determined by its genotype.
Tags
NGSS.HS-LS4-4
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