Vocabulary
Genotype and Phenotype
Punnett Squares
100
A specific version of a gene; for example, in humans there are multiple versions of the gene for eye color
What is an allele?
100
In pea plants, round seed are dominant and wrinkled seeds are recessive. If a plant's genotype is rr, what is its phenotype?
What is wrinkled?
100
Being albino is a recessive trait. If two people who are albino have a baby, what will the phenotype of the baby be?
Albino
200
Word that describes an individual with two of the same alleles of a gene
What is homozygous (or purebred)?
200
In cartoon sponges, square pants are dominant and round pants are recessive. Spongebob is heterozygous for his square pants. What is his genotype?
What is Aa? (any letters acceptable)
200
Round faces are dominant and oval faces are recessive in Smileys. Mr. and Mrs. Smiley are both heterozygous for their round face shape. What are the chances that their first child will have an oval face?
25%
300
Word that describes a person with two different alleles of a gene
What is heterozygous (or hybrid)?
300
In pea plants, purple flowers are dominant and white flowers are recessive. If a purebred purple flower and a purebred white flower are crossed, what will the genotype be in the F1 generation?
Pp (any letters are acceptable)
300
In pea plants, yellow seeds are dominant and green seeds are recessive. A yellow-seeded plant and a green-seeded plant are crossed. Some of the offspring have green seeds. What is the genotype of the yellow-seeded parent plant?
Gg (any letters acceptable)
400
This type of trait requires only one copy of the allele to be present in order for it to be visible
What is dominant?
400
Methemoglobinemia (being blue) is a recessive trait. A man who is blue and a woman who is not blue have a blue child. What is the genotype of the mother?
Bb
400
In humans, brown eyes are dominant and blue eyes are recessive. If a woman who is homozygous for brown eyes has kids with a man who is homozygous for blue eyes, what are the chances that they will have a kid with blue eyes?
0%
500
This type of trait requires two copies of the allele to be present in order for it to be visible
What is recessive?
500
Individuals who are heterozygous will always show this kind of phenotype
What is dominant?
500
Cystic fibrosis is a recessive disorder. A young couple, both of whom are heterozygous for cystic fibrosis, is getting ready to have kids. What are the possible genotypes for their children?
FF, Ff, ff (any letters acceptable)
M
e
n
u