A
What is an example of a trait?
hair color, eye color, etc.
dominant traits.
Who is the father of genetics?
Give an example of homogeneous dominant trait. Use the letter b.
BB
Give an example of a heterozygous dominant trait. Use the letter P.
Pp
Hh - Homozygous or heterozygous?
Heterozygous
Green pea plants are dominant. What would be the heterozygous genotype for this?
Gg
What is responsible for giving you instructions for life?
DNA
What is the shape of a DNA?
Double helix.
What is heredity?
The passing down of traits from parents to offsprings.
What are traits?
Characteristics you can see.
If two purebred dominant parents have 4 offsprings, how many will have recessive traits?
0
How many alleles do you get from each parent?
1
How many chromosomes do humans have?
46
I am tall (Tt). What is my genotype?
Tt
How many alleles do you have for each trait?
2
Where in the cell is DNA located?
Nucleus
What is a genotype?
The letters represented in your genetic code.
If a living thing has the alleles Bb, what type of trait will appear?
Dominant trait.
What is phenotype?
Physical appearance.
What is a chromosome?
Packed DNA.
When does a recessive trait appear?
When both alleles are recessive.
What are alleles?
Different versions of the same gene.
If two hybrids create an offspring, what percentage (how many) of offspring will show dominant traits?
75% or 3/4.
Which traits (dominant or recessive) must always be homozygous?
Recessive genes must be homozygous.