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