MS-LS3-2: Reproduction and Genetic Variation
Flashcard
•
Science
•
6th - 8th Grade
•
Medium
Barbara White
Used 3+ times
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20 questions
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1.
FLASHCARD QUESTION
Front
Genetics Noun
[juh-net-iks]
Back
Genetics
The scientific study of heredity and how traits are passed from one generation to the next through genes.
Example: This image shows how genes are part of DNA, which is found in chromosomes inside the cell nucleus, explaining heredity.
2.
FLASHCARD QUESTION
Front
Heredity Noun
[huh-red-i-tee]
Back
Heredity
The process of passing physical or mental characteristics genetically from one generation to another through reproduction.
Example: The image shows how traits are passed from parent plants to offspring through cross-pollination, demonstrating heredity.
3.
FLASHCARD QUESTION
Front
Trait Noun
[trayt]
Back
Trait
A specific, observable characteristic of an organism, such as its eye color, hair texture, or height.
Example: Different eye colors show how traits can vary among individuals.
4.
FLASHCARD QUESTION
Front
Gene Noun
[jeen]
Back
Gene
A basic unit of heredity that is transferred from a parent to offspring to determine a specific characteristic.
Example: The image shows homologous chromosomes with loci marked, illustrating where genes are found.
5.
FLASHCARD QUESTION
Front
Allele Noun
[uh-leel]
Back
Allele
One of two or more different forms of a gene that are found at the same place on a chromosome.
Example: The image shows alleles as different forms of a gene on chromosomes, explaining homozygous and heterozygous pairs.
6.
FLASHCARD QUESTION
Front
Dominant Allele Noun
[dom-uh-nuhnt uh-leel]
Back
Dominant Allele
An allele that expresses its trait even when paired with a different allele, masking the other's effect.
Example: The image shows how a dominant allele (B) for purple color masks the recessive allele (b) for white color in flowers.
7.
FLASHCARD QUESTION
Front
Recessive Allele Noun
[ri-ses-iv uh-leel]
Back
Recessive Allele
An allele that only expresses its trait when paired with an identical allele; its effect is otherwise hidden.
Example: The image shows how a recessive allele 'a' only expresses its trait when paired with another 'a'.
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