Punnett Squares
What-the-zygous?
Dominant or Recessive?
Karyotypes!
Mystery????
100
What is the GENOTYPIC ratio?
1:1
100
BB, homozygous or heterozygous?
Homozygous
100
B is brown eyes, while b is blue eyes; Which phenotype of dominant?
Brown eyes
100
Is this a male or female karyotype?
Female
100
Who is considered the "father of genetics"
Gregor Mendel
200
B = Black Hair, b = Brown Hair
What is the probability that the offspring will have brown hair?
0%
200
Aa, homozygous or heterozygous?
Heterozygous
200
Mom = Aa
Dad = aa
Is the father homozygous RECESSIVE or homozygous DOMINANT
Recessive
200
Is karyotype for a male or female?
Male
200
A = apple flavored seeds
a = apricot flavored seeds
Female Tree = AA
Male Tree = aa
10 seeds fall, many apple flavored seeds will there be?
10
300
What is the PHENOTYPIC ratio?
3:1
300
E = big ears
e = small ears
Parent 1 = heterozygous
Parent 2 = homozygous dominant
Complete punnett square to reveal genotypic ratio
Genotypic ratio = 1:1
300
How many offspring will be homozygous recessive offspring will be produced from a cross with a female who is homozygous recessive and a male who is heterozygous?
2
300
Where is the mishap in this karyotype?
Chromosome 21
300
P = pink shell
p = purple shell
Gary = Pp, Mary = pp
What is the genotypic ratio of the offspring produced?
1:1
400
What are the parental genotypes?
Parent 1: Heterozygous Gg
Parent 2: Homozygous Recessive gg
400
When a recessive trait is visible, do the alleles have to be homozygous or heterozygous?
Homozygous
400
G = green eyes
g = brown eyes
Female has Gg allele and Male has GG alleles
How many offspring will be homozygous green eyes?
2
400
Is this a normal or abnormal karyotype?
Abnormal - Trisomy 18
400
N = pink nose
n = black nose
What possible genotypes could Spooky carry?
NN or Nn
500
Complete this dihybrid punnett square.
Check results with teacher
500
A and a are the alleles
Mom = Heterozygous
Dad = Homozygous Recessive
Offspring Genotypic Outcome = ?
2 Homozygous Recessive, 2 Heterozygous
500
Mendel crossed yellow and green, and only yellow showed in the first filial (F1) generation. What color is the recessive allele trait?
Green
500
What is the name of the syndrome represented?
Downs Syndrome
500
What is the probability the offspring will be a Pikachu-SpongeBob mix?
1/9