Genetics Basics
More Genetics
Punnett Squares 1
Punnett Squares 2
Miscellaneous
100
Genetics is the study of ______________, where a parent passes certain genes onto their offspring.
What is heredity?
100
Genes and DNA are carried by ________________, which express specific traits.
What are chromosomes?
100
A Punnett Square is a diagram used by geneticists to determine the ________________, or chance, of an offspring having a particular phenotype
What is the probability?
100
It is true or false that alleles may indicate blood type, color blindedness, and many other traits in an organism.
What is true?
100
Genes are segments of _____________.
What is DNA?
200
The ________________ is the genetic makeup of an organism.
What is the genotype?
200
Through ______________________________, genes are inherited from BOTH parents.
What is sexual reproduction?
200
A(n) _________________________ gene has two copies of the same dominant allele. For example, DD
What is homozygous dominant?
200
A(n) ________________ gene carries two copies of the same recessive allele. For example, dd.
What is homozygous recessive?
200
Gregor Mendel is known as this.
What is the "father of modern genetics?"
300
A variance in a gene is a(n) ___________________.
What is an allele?
300
Genetically-determined characteristics are known as _______________________.
What are inherited traits?
300
Parent 1 is at the top. Parent 2 is at the side. Red is for red flowers. Green is for green flowers. This is the probability that the flowers will be green.
What is 50%?
300
A(n) ____________________ gene carries two different alleles. For example, Dd.
What is a heterozygous?
300
The _________________ is the appearance of organism.
What is the phenotype?
400
Dominant alleles show their effect with this many copies of an allele.
What is one?
400
An allele is located at a fixed spot on a(n) ____________________.
What is a chromosome?
400
Both the father and mother have a(n) __________________ genotype.
What is heterozygous?
400
Recessive alleles show their effect with this many copies of the allele.
What is two?
400
Name the parent that is homozygous recessive.
Who is the mom?
500
The phenotype of an organism is based on two factors, the _________________ and the ___________________.
What are the genotype and environmental?
500
This is the reason we do not use two different letters for a specific genotype--a genotype is two codes for the _______ trait.
What is the same?
500
For this Punnett square, this is the probability that an offspring will be homozygous dominant.
What is 25%
500
This is the probability that offspring will be homozygous recessive.
What is 0%?
500
Probability in genetics is expressed in this mathematical form.
What is a percentage?