Science 7. Advanced 16 -17

Two blue flowers are crossed. One is homozygous and one is heterozygous for flower color. If blue is the dominant allele and white is recessive, what will be the ratio of colors in the offspring plants? Which of these choices is correct?

1 white: 3 blue
4 white: 0 blue
2 white: 2 blue
0 white: 4 blue

Which of the following is NOT an example of a complex pattern of inheritance?

incomplete dominance
Punnett square
multiple alleles
polygenic inheritance

Which of the following is NOT part of a chromosome?

proteins
cell
deoxyribonucleic acid
DNA

Proteins are made with the help of _____.

DNA
RNA
PNA
MNA

Each of the following is a form of mutation EXCEPT _____.

replication
substitution
insertion
deletion

If two people are heterozygous for cystic fibrosis, what are the chances that their children will have the disease?