What are genetic traits?
A physical characteristic brought about by the expression of a gene or many genes.
Examples
Ear Lobe Attachment
Tongue Rolling
Cleft Chin
Dimples
Punnet Square
- A tool to predict the probability of certain traits in offspring that shows the different ways allelles can combine.
- A way to show phenotype and genotype.
- A chart that shows all the possible combinations of alleles that can result when genes are crossed.
- Letters stand for dominant and recessive alleles.
- An uppercase letter stands for a dominant allele and a lowercase letter stands for a recessive allele.
- A way to show phenotype and genotype.
- A chart that shows all the possible combinations of alleles that can result when genes are crossed.
- Letters stand for dominant and recessive alleles.
- An uppercase letter stands for a dominant allele and a lowercase letter stands for a recessive allele.
Genetic Traits - Parent Sex Inheritance
XX Female Chromosome
XY Male Chromosome
- Dominant traits show all the time (capital letters)
- Recessive traits are shown only sometimes (lower case)
XY Male Chromosome
- Dominant traits show all the time (capital letters)
- Recessive traits are shown only sometimes (lower case)
By: Isabel Sofia Alvarez Vargas
http://www.everythingbio.com/glos/definition.php?word=genetic+trait
http://learn.genetics.utah.edu/content/begin/traits/activities/pdfs/inherited%20human%20traits%20quick%20reference_public.pdf