Genotypes
Brown eyes (B) are dominant to blue eyes (b). If a person is Homozygous dominant, what is their genotype
BB
Brown eyes (B) are dominant to blue eyes (b). A person has a genotype Bb, what colour eyes do they have?
Brown
different versions of a gene are called _______
alleles
What is Ms. Newton's favorite colour?
Green
Black hair (H) is dominant to blonde hair (h). If a person is heterozygous, what is their genotype?
Hh
Straight hair (S) is dominant to curly hair (s). A person has the genotype SS. What is their phenotype?
Straight hair
An allele that is always expressed regardless of the other allele it is pair with is called a _______________ allele
dominant
True or False,
The moon is getting bigger
False - it's actually shrinking
Red feathers (F) are dominant to white feathers (f). If someone is homozygous recessive, what is their genotype?
ff
Black hair (H) is dominant to blonde hair (h). Two parents have 4 children with the following genotypes:
HH, Hh, Hh, hh
How many of them have black hair?
3
An allele that is only expressed if there are two of them is called a ___________ allele
recessive
True or False
Your brain is constantly eating itself
True
G = green, g = white
The plant is green. What are their possible genotypes?
Hint - there can be more than one
GG, Gg
Purple petals (P) are dominant to white petals (p). Two parents have four offspring with the genotypes:
PP, Pp, Pp, pp
How many of them have white petals?
1
The combination of alleles (letters) someone has is called their _________
Genotype
True or False,
Flamingos are born pink
False - they are born gray
D = no dimples d = dimples
A person has dimples, what is their genotype?
dd
In gerbils, white fur (W) is dominant to brown fur (w). Two parents have four offspring with the genotypes:
WW, WW, Ww, Ww
How many of them have brown fur?
0 - they all have white fir
The physical expression of a trait (or what we can see on the outside) is called someone's ___________
phenotype
How old is the Earth? Closest answer wins
4.5 billion years