WorksheetsGenetics Test
Total questions: 10
Worksheet time: 50mins
If a homozygous tall plant(T-T) is crossed with a homozygous short plant (t-t), the resulting F1 offspring will be
All tall
All short
Some tall, some short
All medium height
A cross of a red 4 o’clock plant (RR) with a white one (WW) produces all pink (RW) offspring. This type of inheritance is known as:
Incomplete dominance
Polygenic inheritance
Simple inheritance
Blending hypothesis
If an organism’s diploid number is 12, its’ haploid number is
6
18
36
12
What process is shown in the figure?
Mitosis
Crossing-over
G1 Phase
Telophase
How many pairs of chromosomes are found in a normal human karyotype?
23
13
2
78
If a man with blood type A (IA-i) and a woman with blood type B (IB-i) produce a child, what are the possible blood types of the child?
A, B, AB, or O
A only
B only
AB only
Gregor Mendel studied patterns of inheritance using _______________.
pea plants
rabbits
guinea pigs
potatoes
A chart that is used to show how a characteristic is passed from one generation to the next within a family.
Pedigree
Karyotype
Mitotic Spindle
Golgi Apparatus
In humans there are 23 pairs of chromosomes. This pair is responsible for determining gender.
# 23
# 21
# 1
# 13
Many human traits are controlled by more than one gene. These traits are called _____________ traits. The alleles of each gene have a minor additive effect on the phenotype. This causes a range of phenotypes.
polygenic
monogenic
orthogenic
cryptogenic
