Where is genetic material located in a plant or animal cell?
Nucleus
What is an example of genetic material?
DNA, genes, or chromosomes
How many chromosomes do humans have?
46 or 23 pairs
True or False: Chromosomes contain genes
True
What is a section of DNA called?
Gene
What is the passing down of traits from one generation to next generation?
Heredity
How many chromosomes do human sperm and egg cells (gametes) have?
23
Which trait will always express itself regardless of what other trait it is paired with?
Dominant
What is the structure made of tightly coiled DNA?
Chromosome
True or False: In his genetics experiments with pea plants, Gregor Mendel determined traits were passed down in a random pattern.
False: It is in a predictable pattern
What are the different forms of a gene called?
Alleles
The combination of the two alleles makes up the
genotype
What is the observable characteristics in an individual resulting from the expression of genes?
phenotype
Which of the following are examples of homozygous dominant genotypes?
AA EE RR
Which of the following are examples of a heterozygous genotype?
Gg Ff Tt
Which of the following are examples of genotypes in which the dominant gene will be evident in the phenotype?
Ff HH Oo Uu
