Heredity
DNA
Traits
Punnet Squares
Selective Breeding
100
The passing of traits from parents to offspring.
What is heredity?
100
The eukaryotic cell organelle that contains DNA.
What is the nucleus?
100
A trait that hides or masks the effect of another trait.
What is dominant trait?
100
The probability that a brown haired person (BB) and a blond haired person (bb) will have offspring with brown hair.
What is 100%?
100
The process of selecting organisms with desired traits to serve as parents of offspring.
What is selective breeding?
200
A trait that an organism gets from its parents.
What is an inherited trait?
200
A coiled structure in a cell's nucleus that contains directions for the cell's activity.
What is a chromosome?
200
A trait that is hidden.
What is recessive trait?
200
Some ducks have a dominant gene (E) that causes them to produce more eggs. Suppose a farmer wants her ducks to produce more eggs. Which of the following would be the best cross of parents? EE x ee OR ee x Ee
What is EE x ee?
300
A trait that an organism gets from experience.
What is learned traits?
300
Humans have 23 of these coiled structures in their cell nuclei.
What is chromosome pairs?
300
The type of trait represented with a capital letter.
What is dominant trait?
300
The probability that a brown haired person (Bb) and a blond haired person (bb) will have offspring with brown hair.
What is 50%?
300
If brown dogs have the dominant gene (B). What are the two genotypes that would produce brown puppies?
What is BB and Bb?
400
Three things that determine an organism's (physical) characteristics.
What is inherited traits, learned traits, and the environment?
400
A section of DNA that determines a particular physical trait.
What is a gene?
400
The type of trait represented by a lowercase letter.
What is recessive trait?
400
The probability that a brown haired person (Bb) and a blond haired person (bb) will have offspring with blond hair.
What is 50%?
400
If yellow dogs have the gene (e). What is the genotype that produces yellow dogs?
What is ee?
500
The physical characteristics determined by the genotype (genetic code) and the environment.
What is phenotype?
500
The name for specific genes found in an organism's DNA. Often referred to as the genetic code.
What is genotype?
500
How many genes does an organism need to show a recessive phenotype?
What is 2?
500
The probability that a brown haired person (BB) and a blond haired person (bb) will have offspring with blond hair.
What is 0%?
500
The phenotype of an organism or plant is determined by the _______________inherited from each parent.
What is gene (or allele)?