Genetics 1
The characteristics of an organism.
What are traits?
This gene always shows is self over a recessive gene
What is a dominant gene?
All human cells contain _________ chromosomes
What is 46?
Combination of Alleles is known as
Genotype
a capital letter represents what type of trait?
What is a dominant trait?
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?
When both alleles are present for a gene in the phenotype
Co-dominance
DNA stands for
Deoxyribonucleic acid
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?
Translation
Where are chromosomes located?
What is the nucleus?
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?
A model that shows possible gene combinations.
What is a Punnett square?
Having two or more genes control a trait is known as
Polygenic
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%?
Small section of DNA
Gene
Outer Core
One of two or more forms of a particular gene
What is an allele?
What percentage of two homozygous parents will be heterozygous?
What is zero percent?
What percent of the offspring of heterozygous parents will be homozygous recessive?
What is 25%
List 2 ethical concerns and 2 benefits of the biotechnology that allows us to edit the human genome
- Will likely favor the wealthy.
- Can result in new mutations
- Can have alter human evolution
- Can eradicate genetic diseases and cancers
- Can eradicate genetic diseases in future generations
A visual chart that tracks one trait through generations
A pedigree
Adenine pairs with
Thymine
What is the complementary strand of GCTA
CGAT
The four nitrogen bases found in DNA
What are adenine, guanine, cytosine, and thymine?
A brown haired heterozygote has a child with a blonde person. What is the percent change of having a child that is homozygous dominant for hair color?
0%
Crossing 2 homozygous dominant parents leads to what percent of offspring being heterozygous
0%
Who studied the "Factors" in pea plants
Gregor Mendel
A brown haired heterozygote has a child with a blonde person. What is the percent change of having a blond child?
50%
DNA segment (gene) coded into an mRNA strand