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Genetics
| Question | Answer |
|---|---|
| What iis the study of how traits are passed on from parents to their offspring? | Genetics |
| Whhat are genes? | Traits |
| Where are genes found? | On Chromosomes |
| What do we call the different forms (or kinds) of a certain trait? | Alleles |
| Hair color, Height and Eye shape are all examples of types of | Genes |
| Brown hair, Blonde hair and Red hair are all examples of ________ for Hair color. | Alleles |
| What are the sex chromosomes for a male? | XY |
| What are the sex chromosomes for a female? | XX |
| What is the only type of sex chromosome the female can pass on in her eggs? | X |
| What sex chromosome can the male can pass on in his sperm? | X or Y |
| Which parent determines the sex of the baby? | Male (Dad) |
| If the male passes on a Y chromosome during fertilization, what will be the sex of the baby? | Boy |
| What are some alleles of the eye color gene? | Blue, green, hazel, brown |
| What do we call the allele that hides the trait of another allele so that it can not show if this allele is present? | Dominant |
| What is the name of the allele whose trait is hidden when a dominant allele is present? | Recessive |
| Which allele is represented with a CAPITAL letter? | Dominant |
| Which allele is represented with a lowercase letter? | Recessive |
| How many recessive alleles must an organism inherit in order for it to show? | 2 |
| What do we say an organism does when it receives traits form its parents? | Inherits |
| What do we call an organism with two dominant or two recessive alleles for a trait? | Purebred |
| What is another name for a purebred organism? | Homozygous |
| What do we call an organism with one dominant and one recessive allele for a trait? | Hybrid |
| What is another name for a hybrid organism? | Heterozygous |
| What do we call the genetic make up of an organism or the genes it inherited? | Genotype |
| What do we call the physical appearance of an organism or what it looks like? | Phenotype |
| What is the name of the tool used to predict the probability of an organism inheriting a trait? | Punnett Square |
| Can a punnett square tell you how many children a couple will have? | NO! |
| Where are the fathers genes placed on a punnett square? | TOP |
| Where are the mothers genes placed on a punnett square? | SIDE |
| What tool is used to trace a specific trait through a family? | Pedigree Chart |
| What shape represents a male on a pedigree chart? | Square |
| What shape represents a female on a pedigree chart? | Circle |
| What do we call traits that are carried on the X and Y (sex) chromosomes and are inherited along with the sex of the child? | Sex-Linked Traits |
| What are 3 examples of sex-linked traits found on the X chromosome? | Hemophilia, Colorblindness and Muscular Dystrophy |
| A female who inherits a sex linked gene but does not have the actual disorder is called a: | Carrier |
| What do we call the disorder in which a person’s blood does not clot, or form a scab when injured. | hemophilia |
| When the genes are neither dominant nor recessive, resulting in both genes being expressed (ex: spots), we call this trait: | Co Dominant |
| Who crossed pea plants to investigate how traits are inherited? | Gregoor Mendel |
Created by:
sloanescience
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