Genetic Traits
Punnett Squares
Codes
Inheritance
Mixed Up
100
What is a genotype?
A letter code for a trait
100
Rabbits can have grey fur or white fur. In rabbits, grey fur (G) is dominant to white fur (r). Use the information above to solve this problem by constructing a Punnett Square and providing percentages. If a grey rabbit homozygous dominant for fur mates with a white rabbit, what are the chance that they will have white offspring? Grey offspring?
100% Gg= grey offspring
100
If pink flowers (P) are dominant to white flowers (p), what genotype(s) would produce a recessive phenotype?
pp
100
The traits of an organism are controlled by what?
It's genes.
100
Chromosomes are structures of DNA made up of many different what?
Genes!
200
What is a phenotype?
A physical trait
200
Rabbits can have grey fur or white fur. In rabbits, grey fur (G) is dominant to white fur (g). Use the information above to solve this problem by constructing a Punnett Square and providing percentages. If two grey rabbits heterozygous for fur color mate, what are the chance that they will have white offspring? Grey offspring?
75% chance grey (GG or Gg), 25% white (gg)
200
If yellow flowers (Y) are dominant to purple flowers (y), what genotype(s) would produce a dominant phenotype?
YY or Yy
200
What is the study of heredity called?
Genetics
200
Where is most of the genetic material located in cells?
The nucleus
300
What is a member of a gene pair that codes for a specific trait?
An allele
300
Rabbits can have straight ears or floppy ears. In rabbits, straight ears (S) are dominant to floppy ears (s). Use the information above to solve this problem by constructing a Punnett Square and providing percentages. If two floppy-eared rabbits mate, what are the chance that they will have straight-eared offspring? Floppy-eared offspring?
100% floppy eared offspring (ss).
300
What is the name of the following genotypes: HH,BB,AA?
Homozygous dominant
300
Organisms inherit genes in pairs, one from each what?
Parent
300
Can two parents that exhibit a dominant phenotype of a trait produce offspring that exhibits the recessive form of the same trait? YES or NO with Punnett Square to explain.
Yes, if both parents are heterozygous, because there will be a 25% chance of the recessive trait being exhibited.
400
What are the names of the TWO genotypes that would produce a dominant trait?
Heterozygous and Homozygous dominant
400
Rabbits can have straight ears or floppy ears. In rabbits, straight ears (S) are dominant to floppy ears (s). Use the information above to solve this problem by constructing a Punnett Square and providing percentages. Two straight-eared rabbits mate. One is homozygous dominant and the other heterozygous. What are the chance that they will have straight-eared offspring? Floppy-eared offspring?
100% straight-eared (SS or Ss)
400
What is the name of the following genotypes: Hh, Pp,Mm?
Heterozygous
400
What is the name of the chart used to predict gene combinations of offspring based on parent traits?
Punnett Square
400
What is the OTHER name besides homozygous for a genotype that consists of gene pairs that are the same?
Purebred
500
What is heredity?
The passing down of traits through genes from parents to offspring.
500
Can two individuals who exhibit a recessive trait ever produce offspring who exhibit the dominant form of that same trait? Yes or No and explain with a Punnett Square.
No. Homozygous recessive is the only code to produce a recessive phenotype. When two homozygous recessives are crossed, no dominant genotypes occur.
500
If pink flowers (P) are dominant to white flowers (p), what genotype(s) what is the name of genotype pp?
Homozygous recessive
500
Who is known as the Father of Genetics for his early work cross breeding pea plants?
Gregor Mendel
500
What is the OTHER name besides heterozygous for a genotype in which gene pairs are different?
Hybrid
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