Vocabulary
heredity
What is the passing down of traits to ones offspring?
heredity
What is the passage of genetic instructions (traits) from parent to offspring?
Sexual reproduction produces offspring that are genetically _____________ to the parents.
What is similar (NOT same)!!?
these genes can be hidden or covered up by another
What is recessive?
How are traits passed from parent to offspring?
What is through genes during reproduction (crossing over)?
the product of two parents breeding
What is offspring?
the blueprint of life
What is DNA?
Asexual reproduction produces offspring that are genetically ____________ to the parent.
What is identical?
used to determine possible outcomes of genetic crossings
What is the Punnett square?
Name two traits that could be inherited from a parent?
What are: hair color, eye color, height, skin color, freckles, etc...
the "Father of Genetics"
Who is Gregor Mendel?
If you are studying a population of genetically identical individuals, you can conclude that these individuals reproduce how?
What is asexually?
A black chicken (BB) is crossed with a black chicken (BB). What percentage of offspring will be black?
What is 100%?
Why does a Punnett Square use capital and lowercase letters?
What is Capital = Dominant Traits; Lower Case = Recessive Traits?
the genetic makeup of an organism determined by letters
genotype
used that shows what has happened to a certain trait during several generations
What is a Pedigree chart?
only one copy of this particular gene is needed to show a given trait
What is dominant?
Having dimples is dominant (D). Not having dimples is recessive (d) Both parents are heterozygous for the dominant trait. What percentage of the children will NOT have dimples?
What is 25%?
Two dark brown rabbits have four offspring. All four of the offspring are dark. What does this tell you about the parents' genes for fur color?
a trait in a particular location on a gene
What is an allele?
the amount of chromosomes that a human has
What is 46 (OR) 23 pair?
when an organism receives homozygous traits, it is said to be
What is a "purebred"?
Long ears are dominant (E) in rabbits. If one parent is homozygous dominant for the long ear trait and the other homozygous reccessive (e), what is/are the possible genotype/s of the offspring?
What is ONLY Ee?
Two dark brown rabbits have four offspring. Three of the offspring are dark and one is white. What does this tell you about the parents' genes for fur color?
What is both parents must be heterozygous?