Worksheets3.4 Punnett Squares
Total questions: 6
Worksheet time: 12mins
Which of the following describes this genotype? AA
Heterozygous
Homozygous dominant
Homozygous recessive
Heterozygous dominant
Which process could cause nondisjunction if it occurred during meiosis?
Sister chromatids do not align in metaphase I
Homologous chromosomes do not separate in anaphase II
Sister chromatids do not align in metaphase II
Homologous chromosomes do not separate in anaphase I
Biologists have found that a form of deafness is a recessive trait in dogs. If a female dog that is heterozygous for the trait mates with a male dog that is deaf, what percent of their offspring will be deaf?
100%
50%
25%
0%
A red flower (RR) and a white flower (R'R') are crossed and produce pink flower offspring (RR'). What is the expected outcome for the offspring that result from the cross between two pink flower plants?
0% red, 100% pink, 0% white
25% red, 50% pink, 25% white
25% red, 25% pink, 50% white
50% red, 25% pink, 25% white
A father is homozygous for blood type A and his wife is heterozygous for blood type B. What percentage of their children will have blood type A?
0%
25%
50%
100%
A normal male and a colorblind female have children. What percentage of their children will be colorblind?
