Genetics
True or False: The dominant gene always shows
True
What is a genotype?
The actual genes you have.
What is a Phenotype?
The genes you express
What is a pedigree chart?
A pedigree chart is a chart that tracks the inheritance of a specific gene
What are physical traits?
General physical characteristics of an organism.
How can you express the recessive gene?
You can express the recessive gene if both parents are carriers of the recessive gene.
If you have the dominant gene and recessive gene, what is your genotype?
Heterozygous
If you have the recessive gene for blue eyes, and the dominant gene for brown eyes you are heterozygous. What is your phenotype?
How many genes can a pedigree chart?
One gene
Who controls the control variable?
YOU DO
What do genes specify, and specifies gene?
Genes specify traits, and alleles specify genes
If you carry two dominant genes, what is your genotype?
Homozygous dominant
What is the difference between a genotype and a phenotype?
Genotype is the genes you have, and the phenotype is the genes you express or see.
Fully Affected
What does DNA stand for?
Deoxyribonucleic Acid
What are genetics?
Genetics are the study of inherited characteristics.
If you carry two recessive genes, what is your genotype?
Homozygous recessive
Freckles is a dominant gene. What can the genotypes be?
Heterozygous, or homozygous dominant
In the second generation of a pedigree chart, it goes male, female, male, male. Name II-3s gender.
What are four traits humans have?
Eyes, hair, height, skin
Who discovered genetics?
Gregor Mendel discovered genetics in the 19th century.
Who discovered the genotype?
Willhelm Johannsen
Homozygous dominant, and heterozygous
In a pedigree chart, the dad is homozygous dominant and the mother is homozygous recessive. What are the kids genotypes?
Heterozygous
Where did Quandale Dingle go to school?
Pennsauken Highschool