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WorksheetsHeredity
Total questions: 20
Worksheet time: 11mins
relating to a gene that has its contribution masked by a dominant one when the two are both present in a cell or organism
(a)
the process through which animals and plants produce offspring
(a)
a quality that is inherited
(a)
The traits of an organism are passed to its offspring on small coded strands of DNA material called
genes
meiosis
recessive traits
heredity
During sexual reproduction, each parent contributes
a double helix of chromosomes
one strand of chromosomes, or half of the new organism's DNA
a dominant gene and a recessive gene
multiple mutated cells
A cell created by cloning is genetically
half like its father and half like its mother
unique because it is a mixture of DNA
identical to its stem cell
identical to its parent
How many pairs of chromosomes do human cells have?
14
100
23
18
Which one of those are dominant genes?
B
b
e
t
In which of these situations will the recessive gene show?
Bb
eE
ss
CC
The genes of DNA depend on your parents and ancestors.
True
False
DNA stands for
deoxyclub
dinosaurs nests air
detoxylunaballs
deoxyribonucleic acid
Creation of offspring involving one parent
peaceful reproduction
no reproduction
asexual reproduction
sexual reproduction
Creation of offspring involving two parents
anti reproduction
sexual reproduction
asexual reproduction
no reproduction
BB
Recessive
Bb
Dominant
bb
Dominant
Gerry and his wife both have blue eyes, which is a recessive trait. Which is true about their baby?
He's adopted
The baby will not inherit their traits
The baby will be blue eyed
The baby will have brown hair
True or false: You inherit 75% of your genes from mom, 25% from dad
True
False
We use letters to describe genes: Blue Eyes = (bb)
These letters are called:
Heredity
Alleles
Dominant Genes
When your genes are expressed physically (how you look) we call that your:
Phenotype
Recessive Trait
Genetics
Genotype
RR is:
Homozygous Dominant
Heterozygous
Homozygous Recessive
R - Red dominant Flower
r - purple recessive flower
How many purple flowers are there in this Punnett square?
4
3
2
1
