Use a Punnett square. In rabbits, black fur is dominant over white fur. What percentage of offspring will be white if a heterozygous male and homozygous dominant female have offspring?
Question 1 options:
50%
100%
25%
0%
Question 2 (3 points)
Question 2 Unsaved
Use a Punnett square to help answer the question.
In humans, free ear lobes are dominant over attached ear lobes. Two parents who are heterozygous are expecting a child. What is the percentage that the child will have free ear lobes?
Question 2 options:
75%
100%
50%
0%
Question 3 (3 points)
Question 3 Unsaved
Use a Punnett square to help answer the question.
In humans, free ear lobes are dominant over attached ear lobes. Two parents who are heterozygous are expecting a child. What is the percentage that the child be homozygous dominant?
Question 3 options:
75%
25%
0%
50%
Question 4 (3 points)
Question 4 Unsaved
Use a Punnett square to answer the question.
In peas, wrinkled seeds are recessive to smooth seeds. If a homozyous recessive and a heterozygous plant have offspring what will percentage will have smooth seeds?
Question 4 options:
50%
75%
0%
25%
Question 5 (3 points)
Question 5 Unsaved
Use a Punnett square to answer the question.
In peas, wrinkled seeds are recessive to smooth seeds. If a homozyous recessive and a heterozygous plant have offspring what will percentage will be homozygous dominant?
punn
Question 5 options:
25%
50%
100%
0%
Question 6 (3 points)
Question 6 Unsaved
Given the nucleotide sequences below, what type of mutation has occurred?
Before:
A C C G T A T G T C A T
After:
A C C G T A A G T C A T
Question 6 options:
mixer
deletion
insertion
substitution
Question 7 (3 points)
Question 7 Unsaved
What genetic variation has occurred in the picture below where a black bunny and a white bunny have an offspring that shows both black and white fur?
Question 7 options:
Incomplete dominance
Codominance
Mixed dominance
Co-allele
Question 8 (3 points)
Question 8 Unsaved
Which answer below, would be a possible new strand if there was a insertion mutation in the sequence below?
T T C G A A T C G T A T G A C
Question 8 options:
T T C G A A T C T G T A T G A C
T T G A A T C G T A T G A C
T T C G A A T C C T A T G A C
T T C G A T T C G T A T G A C
Question 9 (3 points)
Question 9 Unsaved
Environmental influences and genetics can determine a person's phenotype.
Question 9 options:
True
False
Question 10 (3 points)
Question 10 Unsaved
Humans have been choosing desired traits of livestock and pets for centuries by breeding organisms that they choose with the traits they desire. This process is called
Question 10 options:
breed choosing
selective breeding
pick selelction
selective webbing
Question 11 (3 points)
Question 11 Unsaved
Karyotypes are done by matching up _____________________________ so that they are paired up.
Question 11 options:
homologous chromosomes
sister chromatids
sister chromosomes
homologous chromatids
