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Vocabulary 4 Genetic
Vocabulary
Definition | Term |
---|---|
A _______ is a characteristic, such as seed color. | Trait |
The passing to offspring is called ____________. | Heredity |
The study of heredity is called _________. | Genetics |
Factors that control traits is called ______________. | Genes |
A _______ allele always shows up in an organism. | Dominant |
A _______ has two different alleles for a trait. | Hybrid |
A ________ ____ is hidden whenever the dominant allele is present. | Recessive Allele |
Is the way an organism looks. | Phenotype |
Is the genetic makeup, or combination of alleles in an organism. | Genotype |
Two of the same alleles for a trait is ____________. | Homozygous |
Two different alleles for a trait is _________. | Heterozygous |
An ___________ in an organism develops after its born. | Acquired trait |
Organisms can aquire traits from their environments. A flamingo is pink because it eats pink food. | Environmental: |
Organisms can acquire traits, like the ability to ride a skateboard, by learning and remembering skills and information. | Learned: |
Manipulated traits, such as coiled bamboo, are created by human design. People can change both inherited and acquired traits. | Manipulated: |
_____ determines the inherited traits of an organism. | DNA |
__________ are short thick coils of coils. | Chromosomes |
How many chromosomes are in human cells? | 46 |
Big "b" is an allele little "b" is an allele they make up your | Genes |
How many chromosomes are in human gametes (egg or sperm)? | 23 |
Why do body cells have twice as many chromosomes as gametes? | Gametes (eggs & sperm) have 23 because when combine and create a new cell that will becomme a individual baby. With a complete set of 46 chromosomes. A gene is a short piece of DNA that determines the trait of an organism. |