Chapter 6 Quiz 1 Flashcards
1
Q
Down syndrome is usually caused by
A
one too many chromosomes
2
Q
An organism is ____________ if both of its alleles for a particular trait are different
A
hybrid
3
Q
How to write a recessive trait
A
two lowercase letters
4
Q
The study of inheritance
A
genetics
5
Q
Who studied the physical characteristics of the pea plant
A
Mendel
6
Q
The way an organism looks, or its physical characteristics
A
phenotype
7
Q
He proposed dominant and recessive characteristics
A
Mendel
