What two letter (upper or lowercase) combination shows a heterozygous trait?
Gg or Aa (Hetero- means "different" or "opposite"
What is the difference between a gene and an allele?
An allele is a variant of a gene - example: you can inherit the allele for brown or blue eyes
What is a genotype?
What your genes/ alleles actually show (Aa, bb, BB)
What is a phenotype?
How a gene shows up in your physical traits (Example: you have blonde hair)
What is a recessive allele?
a type of allele that won't physically show up on its own (it needs two copies to be present)
What is a dominant allele?
a type of allele that only needs one copy to physically show up on its own (Aa)
Which flower has dominant alleles?
Red
If a flower shows codominance, what does that mean?
Two dominant alleles are physically shown/expressed
What % chance do the offspring of these two parents have of inheriting a genetic condition? (Mutated gene)
50%
What is a gene?
A piece of a chromosome that holds information about you
What is the definition of inheritance in biology?
the process of passing genes from parent to offspring
A gene is a segment/sequence in your DNA (True or False?)
True
Name a dominant trait in pea plants
Round seed, purple flower color, yellow seed color, inflated pod shape
Name a recessive trait in humans
blonde hair, blue eyes, freckles, attached ear-lobe, etc.
What did GREGOR MENDEL cross FIRST? Be specific :*)
True breeders; purple X white pea flowers
