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WorksheetsGenetics
Total questions: 20
Worksheet time: 11mins
Male sex chromosomes
XX
XY
You --> Cell --> 1 --> 2 --> DNA --> 3 --> Protein
1. Chromosomes
2. Nucleus
3. DNA
1. Chromosomes
2. Nucleus
3. Genes
1. Nucleus
2. Chromosomes
3. Genes
1. Nucleus
2. Genes
3. Chromosomes
Name given to the cell produced when a sperm and ova combine
egg
zygote
cell
reproduction
HH
Homozygous
Heterozygous
Male gamete
sperm
ova
zygote
XY
Female gamete
sperm
ova
zygote
xx
Female sex chromosomes
XX
XY
Hh
Homozygous
Heterozygous
Deoxyribonucleic acid
NDA
AND
DNA
DAN
Aa
Homozygous
or
hybrid
Heterozygous
or
Hybrid
Homozygous
or
Purebred
Heterozygous
or
Purebred
hh
homozygous
heterozygous
The two possible forms of a trait are called:
Purebred
Homozygous
Dominant
Alleles
Body cells are also called
somatic cells
sex cells
zygote
cell
How many chromosomes are in a normal human body cell
23
46
1
92
BB
Homozygous
or
Hybrid
Heterozygous
or
Hybrid
Homozygous
or
Purebred
Heterozygous
or
Purebred
How many chromosomes in a human sex cell
46
23
1
92
The process that makes more body cells is called
Mitosis
Meiosis
Reproduction
DNA Replication
DNA is organised into structures called (a)
Parts of the DNA responsible for traits.
DNA
GENE
PROTEIN
CHROMOSOME
How a trait is expressed is called the:
phenotype
dominant
genotype
recessive
