Genetics Flashcards
1
Q
What is heredity?
A
The transmission of traits from one generation to the next
2
Q
What are genetics?
A
The scientific study of heredity
3
Q
Where do traits come from?
A
genes
4
Q
What are genes made of?
A
nitrogenous bases
5
Q
What are the two forms (alleles) of a gene?
A
Dominant and Recessive
6
Q
What is a recessive allele
A
trait that is covered up or seems to disappear
7
Q
What is a dominant allele
A
trait that always expressed or shown
8
Q
How are genes expressed?
A
via traits
9
Q
What is a genotype?
A
genetic makeup
10
Q
what are the two genotypes?
A
Homozygous and Heterozygous
11
Q
What is a Homozygous genotype
A
an individual possess two copies of the same allele
12
Q
What is a heterozygous genotype
A
an individual possess one copy of each allele
13
Q
What is the use of a pedigree?
A
traits can be studied and/or predicted
