WorksheetsGenetics ReDo
Total questions: 43
Worksheet time: 39mins
An orange cat whose parents were both orange cats produces only white kittens when mated to a white cat. This orange cat's genes were most likely _________?
homozygous recessive
heterozygous
homozygous dominant
Hybrid
A female is heterozygous for blood type A marries a male heterozygous for blood type B. What is the probability that their first child would be type O blood?
0%
25%
50%
75%
In foxes, red fur color is dominant to silver fur color. If a homozygous red fox is mated with a silver fur fox and have a litter of 6 offspring, how many would have silver coats?
0
2
1
6
Data:
RR = Blue
YY=Red
RY= Purple
An Incomplete dominance inheritance pattern is observed: What percent of offspring should you expect to be purple if you cross a or purple parent (RY) with a red parent (YY).
0%
25%
50%
100%
A homologous tall sunflower plant (S) is crossed with a homologous short sunflower plant (s), yet all the offspring are tall. What's the MOST likely genotype of each offspring?
SS
Ss
ss
SS or ss
Skin color, eye color, and height are all examples of what type of inheritance pattern
Incomplete dominance
Complete dominance
Polygenic inheritance
Codominance
Color Blindness is a sex-linked recessive trait. A female who is a carrier and a man who is not have a daughter. What is the probability that she is colorblind?
0%
25%
50%
100%
How many Homozygous Dominant/Herterozygous males are present?
3
When a roan cattle are mated, a 1:2:1 ratio is seen in their offspring. If both red and white coat is dominant and shows in the phenotype of their offspring, What's mode of inheritance is being shown?
Multiple Alleles
Codominance
Complete Dominance
Incomplete Dominance.
In sunflowers, tall (T) is dominant over short (t). What is the PHENOTYPE of a tall plant?
TT
tt
Tt
Tall
In complete dominance inheritance patterns, how many dominant alleles have to be present in order for the offspring to have a trait?
1
2
3
4
What process is involved in the creation of gametes (sperm and ova)
mitosis
meiosis
osmosis
photosynthesis
In the punnett square below, what belongs in the missing square
How many offspring will you have in a dihybrid cross with two heterozygous parents?
If a heterozygous (Hh) is crossed with to another heterozygous( Hh) there will be a 1:2:1 ratio of offspring. How many offspring would be predicted to be homozygous dominant (HH) if there were 400 offspring total.
100
300
200
25
Who is the daughter of individual I-1 and I-2?
II-1
II-7
II-8
How many males are in the second generation?
3
4
5
6
How many females are in generation III?
2
4
6
9
This is a recessive disease pedigree. What is the genotype of the female in generation II?
Rr
RR
rr
R?
This is a recessive disease pedigree. What is the genotype of the male in generation I?
Rr
RR
R?
rr
If individual IV-5 has children with someone with the disorder, what are the chances of having a child with the disorder.
25%
50%
75%
100%
In the blood type Punnett square shown, what is the probability the offspring will inherit each blood type?
50% A, 25% B, 0% AB, 25% O
25% A, 50% B, 25% AB, 0% O
50% A and 50% B
25% AB, 50% A, 25% O
If an allele for blue flower color (B) and an allele for yellow flower color (Y) are incompletely dominant, what color will a BY flower be?
Blue
Yellow
Blue and Yellow
Green
If the allele for black feather color (B) and white feather color (W) in chickens are codominant, then a BW chicken will have:
black feathers
white feathers
black and white feathers
gray feathers
If a person has type O blood, the phenotype is O. What can the genotype be?
IBIB or IBi
IAIA or IAi
IAIB
ii
What pattern of inheritance is determined by many genes located on chromosomes that can give you a large range of traits?
Codominance
Incomplete Dominance
Polygenic traits
Multiple Alleles
If a person has type O blood, the phenotype is O. What can the genotype be?
IBIB or IBi
IAIA or IAi
IAIB
ii
