Mendelian Genetics Flashcards
1
Q
Genetics
A
the study of the passing of traits from parents to offsprig
2
Q
traits
A
characteristics of an organism such as hair color (physical) or gentle (personality)
3
Q
genes
A
Sections of the DNA that have instructions to make a trait
4
Q
Alleles
A
on a pair of chromosomes, one allele per chromosome; is an option for a gene
5
Q
Dominant trait
A
the trait the WILL SHOW UP even if there is a recessive trait present (RR, Rr)
6
Q
Recessive trait
A
the trait that is masked down by a dominant trait, but CAN show up if another recessive is present (rr)
7
Q
heterozygous
A
one dominant and one recessive allele (Yy, Rr, Ss, Bb)
8
Q
genotype
A
the discription of the trait in letters (BB)
9
Q
phenotype
A
the physical dscription of the trait (blue eyes)
10
Q
homozygous
A
two of the same allele (YY, yy, SS, ss)
