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?