WorksheetsGenetics Test
Total questions: 31
Worksheet time: 26mins
Tightly coiled DNA is called:
FNA
Chromosomes
Cell
Mitochondria
Human somatic cells (body) are:
Diploid
Haploid
. Human Reproductive cells (sperm and egg) are:
Diploid
Haploid
Human haploid cells have
1 set of 23 chromosomes
1 set of 54 chromosomes
2 sets of 23 chromosomes
2 sets of 54 chromosomes
Human Diploid cells have:
1 set of 23 chromosomes
1 set of 54 chromosomes
2 sets of 23 chromosomes
2 sets of 54 chromosomes
Chromosome #1 - #22 are called
Sex chromosomes
Autosomes
DNA
Cytoplasm
Chromosome #23 is called the:
Sex chromosome
Autosomes
DNA
Cytoplasm
Female sex chromosomes are usually:
XX
XY
Male sex chromosomes are usually:
XX
XY
The part on a chromosome where a specific gene is located.
Trait
Locus
Gene
Codes in the DNA that give instructions about a specific traits
Trait
Locus
Gene
Physical characteristics about an individual.
Trait
Locus
Gene
An allele whose trait always shows up in the organism when the allele is present
Dominant allele
Recessive allele
An allele that is masked when a dominant allele is present
Dominant allele
Recessive allele
Different form of a gene is called (letters):
Trait
Locus
Allele
An organism who is Tt (has two different alleles) is:
homozygous
heterozygous
An organism who is tt (has two of the same alleles) is;
homozygous
heterozygous
The physical characteristic of an organism (what it looks like):
Phenotype
Genotype
The genetic makeup of an organism (the two letters):
Phenotype
Genotype
If tall is dominant and short is recessive, what is the phenotype of Tt?
Short
Tall
If tall is dominant and short is recessive, what is the phenotype of tt?
Short
Tall
If tall is dominant and short is recessive, what is the phenotype of TT?
Short
Tall
Type of reproduction that involves one parent and produces genetically identical offspring:
Sexual reproduction
Asexual reproduction
Type of reproduction that involves two parents and produces genetically different offspring:
Sexual reproduction
Asexual reproduction
What is the probability of blue eyes in this cross? _______%
What is the probability of brown eyes in this cross? _____%
What is the probability of having homozygous offspring? ______%
What is the probability of having heterozygous offspring? ________%
What is the probability of brown hair in this cross? _______%
What is the probability of blonde hair in this cross? ______%
What is the probability of having homozygous offspring? _______%
What is the probability of having heterozygous offspring? ________%
What is the probability of curly hair in this cross? _______%
What is the probability of straight hair in this cross? ______%
What is the probability of having homozygous offspring? _______%
What is the probability of having heterozygous offspring? ________%
A molecule that contains all the genetic information in an organism:
DNA
Lipids
Carbohydrates
Water
