Science L. 17-22 Flashcards
1
Q
heredity
A
the passing of physical characteristics from offspring to parents
2
Q
trait
A
the different form of a characteristic
3
Q
genetics
A
the scientific study of heredity
4
Q
alleles
A
different forms of a gene
5
Q
dominant allele
A
always shows in the organsism when the allele is present
6
Q
recessive allele
A
hidden whenever the dominant allele is present
7
Q
Punnett Square
A
shows all the possible combinations of alleles that can result from a genetic cross
8
Q
phenotype
A
physical appearance
9
Q
genotype
A
genetic makeup
10
Q
meiosis
A
when the number of chromosones is reduced by half to form sex cells
11
Q
messenger RNA
A
copies coded message from the DNA in th nucleus
12
Q
transfer RNA
A
carries animo acids the the ribosome and adds the, to the growing protein
