What would an example of polygenic inheritance be?
hair color, eye color, skin color, height, weight
Genetics is the study of ____?
heredity
What is part of DNA that codes for a trait on a chromosome.
gene
Recessive traits are observed when how many recessive factors are present?
2
What is an example that represents a homozygous recessive genotype?
rr
What would be an example of codominance?
both traits appear on offspring like white + red= white and red
What would be an example of multiple alleles controlling a trait?
blood type
What type of complex patterns of inheritance would it be if multiple genes determine the phenotype of a trait?
polygenic inheritance
Did Mendel test and record pea plants for length of the leaf?
no
If genotypes of offspring are Oo, Oo, oo, oo, what's the ratio if orange is dominant to purple?
2/4 or 50%
If man is heterozygous for a recessive trait and mom is homozygous dominant will recessive gene be passed?
0%
If you are looking at 4 tall pea plants, what is the possible genotype?
TT, or Tt
A man is heterozygous for cystic fibrosis which is a recessive trait. A woman is homozygous dominant. What are the chances their children will have cystic fibrosis?
0%
What type of complex pattern of inheritance would it be if both alleles show up in the offspring?
codominance
What is self-pollination?
when pollen falls on the same plant
In Camellia flower when you cross white flower with red flower you get pink. What type of complex pattern of inheritance is this?
incomplete dominance
In a Punnett Square, what does the capital letter represent?
the dominant allele
How many factors did Mendel say each parent contributes for each trait?
1
If you are looking at 4 tall pea plants, what is the phenotype?
tall
What type of complex pattern of inheritance would it be where more than 2 alleles control the trait?
multiple alleles
What do the letters on a Punnett Square represent?
alleles
Recessive traits are shown when a trait is recessive homozygous.
true
How many pea plants did Mendel test?
hundreds
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