Cells
Traits
Punnet Square
Inheritance of Traits
miscellaneous
100
An example of an organism that is made up of many cells.
What is a human, animal, tree, etc. ?
100
Traits that are passed from parents to their offspring are __________.
What are inherited traits?
100
A gene that can hide the effect of another gene.
What is a dominant gene?
100
This molecule has two outer ribs connected by rungs like a ladder and is twisted around.
What is the DNA molecule?
100
The movement of pollen from a stamen to a pistil.
What is pollination?
200
An example of a single-celled organism
What is an ameba, bacteria, (monerans)?
200
The information that determines what kind of traits you will have.
What are chromosomes?
200
A permanent change in the structure of a gene or chromosome.
What is a mutation?
200
We tested the eye color of mice to relate Punnet Square results to _______________.
What is probability?
200
An example of a crop that is a mutation.
What is a seedless watermelon, seedless orange, nectarine?
300
The cell part that controls what other cell parts do.
What is the nucleus?
300
The part of a chromosome that carries information about a trait.
What is a gene?
300
What chance would there be for a recessive trait to be expressed in an offspring when the parent genes are all dominant.
What is 0% chance?
300
Breeding plants or animals with certain traits to produce offspring with those traits.
What is selective breeding?
300
The insect Thomas Hunt Morgan experimented with to observe eye color and wing shape.
What are fruit flies?
400
Threadlike structures in the nucleus of a cell that controls a cell's activities.
What are chromosomes?
400
A gene whose expression is hidden by a dominant gene.
What is a recessive gene?
400
Calculate the fraction and percent of the offspring made from a parent with two recessive genes (rr) crossed with a parent with a hybrid gene (Rr).
What is 1/2 (2/4), 50% chance Rr and 1/2 (2/4), 50% chance rr.
400
The material that makes up chromosomes and carries information about inheritance.
What is DNA?
400
An example of an observable trait.
What is hair color, eye color, widow's peak, earlobes, etc. ?
500
The joining of an egg cell and a sperm cell.
What is fertilization?
500
An individual that has a dominant and a recessive gene for a trait.
What is a hybrid?
500
Complete the Punnet Square for the offspring of two parents, both hybrid for smooth and rough fur. Smooth fur is recessive, and rough fur is dominant. (use R's and r's)
What are two hybrid offspring (50% chance), one dominant (RR) and one recessive (rr) offspring?
500
The man who studied inheritance in garden pea plants to observe dominant and recessive traits.
Who was Gregor Mendel?
500
The crop the Incas modified (changed) to make larger. Farmers still use selective breeding with this crop today.
What is corn?
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