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WorksheetsGenetics
Total questions: 10
Worksheet time: 7mins
Gregor Mendel removed the male parts from the flowers of some plants in order to
prevent hybrids from forming.
prevent cross-pollination.
stimulate self-pollination.
control crosses between plants.
When Gregor Mendel crossed a tall plant with a short plant, the F1 plants inherited
one allele from each parent.
two alleles from each parent.
three alleles from each parent.
four alleles from each parent.
The principles of probability can be used to
predict the traits of the offspring of genetic crosses.
determine the actual outcomes of genetic crosses.
determine which species should be used in genetic crosses.
decide which organisms are best to use in genetic crosses.
Organisms that have two identical alleles for a particular trait are said to be
hybrid.
homozygous.
heterozygous.
dominant.
Gregor Mendel’s principles of genetics apply to
plants only.
animals only.
pea plants only.
all organisms.
Roan cattle show co-dominance for the color of their hair. There are alleles for red hair and white hair. What would you expect a heterozygous roan bull to look like if the trait showed incomplete dominance instead?
It would be red.
It would be white.
It would be spotted.
It would be pink.
Variation in human skin color is an example of
incomplete dominance.
codominance.
polygenic traits.
multiple alleles.
If an organism’s diploid number is 12, its haploid number is
12
6
24
3
Gametes are produced by the process of
mitosis.
meiosis.
crossing-over.
replication.
What is occurring in the figure?
independent assortment
anaphase I of meiosis
crossing-over
replication
