Worksheetsgenetics and stuff
Total questions: 24
Worksheet time: 19mins
Name
Class
Date
1.
Dominant or Recessive?
R
R
a)
Dominant
b)
Recessive
2.
Dominant or Recessive?
r
r
a)
Dominant
b)
Recessive
3.
the passing of genetic traits from parent to offspring.
a)
heredity
b)
trait
c)
gene
d)
allele
4.
Which gene is heterozygous?
a)
TT
b)
Tt
c)
rr
d)
YY
5.
The physical appearance of an organism based on traits
a)
Genotype
b)
Phenotype
c)
Meiosis
d)
Genetics
6.
Hair colour is an example of
a)
genotype
b)
phenotype
7.
Having blue eyes is an example of
a)
genotype
b)
phenotype
8.
The genotype of: Heterozygous Course Hair will have the alleles of...
a)
Hh
b)
HH
c)
hh
9.
having two of the same genes for the trait (sometimes called purebred).
a)
homozygous
b)
hetrozygous
c)
protein
d)
chromosome
10.
having two different genes for a trait (sometimes called hybrid).
a)
protein
b)
homozygous
c)
heterozygous
d)
genotype
11.
Which of the following is heterozygous
a)
FF
b)
tt
c)
Gg
d)
RR
12.
Which of the following is homozygous recessive?
a)
rr
b)
AA
c)
TT
d)
Ff
13.
What does the prefix homo- in homozygous mean?
a)
same
b)
different
c)
dating
d)
humans
14.
What does the prefix hetero- in heterozygous mean?
a)
same
b)
different
c)
dating
d)
human
15.
Mary is heterozygous. If F for freckles, and f is for no freckles, what is Mary's phenotype?
a)
Freckles
b)
No Freckles
c)
A few Freckles
d)
One Freckle
16.
Mark is heterozygous. If B is for brown hair, and b is for blonde hair, what is Mark's phenotype?
a)
Brown Hair
b)
Blonde Hair
c)
Brown and Blonde Hair
d)
Black Hair
17.
Chris is homozygous dominant. If W for widow's peak, and w is for no widow's peak, what is Chris' phenotype?
a)
Widow's Peak
b)
No Widow's Peak
c)
A small Widow's Peak
d)
Not enough information
18.
The two-letter code that describes the genetic traits of an organism is called a-
a)
Phenotype
b)
Genotype
c)
Physical Appearance
d)
Intelligence
19.
Which of the following is a phenotype?
a)
BB
b)
Bb
c)
bb
d)
Blue eyes
20.
Offspring receives two sets of _____________ (one from each parent)
a)
blue jeans
b)
genes
c)
machines
d)
pedigree
21.
RR- round
rr-wrinkled
What is the genotype for wrinkled?
rr-wrinkled
What is the genotype for wrinkled?
a)
RR
b)
rr
c)
Rr
22.
When a cell divides, what do we call the 2 new cells?
a)
mother cells
b)
father cells
c)
daughter cells
d)
son cells
23.
In which type of cells will mitosis occur?
a)
egg cells
b)
sperm cells
c)
jail cells
d)
Body cells except the sperm and egg cells
24.
The purpose of meiosis is to produce
a)
body cells with the same number of chromosomes
b)
reproductive cells (sex cells) that contain half the number of chromosomes
100 %
