Genetics 1
The characteristics of an organism.
What are traits?
Sequence of nucleotides in DNA.
Gene
All human cells contain _________ chromosomes
What is 46?
a capital letter represents what type of trait?
What is a dominant trait?
What percent of the offspring of heterozygous parents will be homozygous recessive?
What is 25%
The passing of traits from parent to offspring is called.
What is heredity?
This describes two of the same copies of a gene
What is homozygous?
One of two or more forms of a particular gene
What is an allele?
This gene always shows is self over a recessive gene
What is a dominant gene?
Heterozygous parents are crossed. What percent of offspring will be homozygous dominant?
What is 25%?
What does DNA stand for?
Deoxyribonucleic Acid
This describes different alleles for the same trait.
what is heterozygous?
The process by which DNA is duplicated
What is replication?
What percentage of two homozygous parents will be heterozygous?
What is zero percent?
What percent of the offspring of a cross of heterozygous parents will be homozygous?
What is 50%?
Chromosomes are made up of _______.
What is DNA?
Shows possible gene combinations.
What is a Punnett square?
During replication, DNA makes an ________ copy of itself.
What is identical?
genes of a trait that is hidden when the dominant gene is present
What is a recessive gene?
What percent of the offspring of a cross of heterozygous parents will be heterozygous?
What is 50%?