If all offspring of a cross have the same
heterozygous genotype, the parents of the cross
would most likely be
a. homozygous dominant and homozygous
recessive.
b. both heterozygous.
c. heterozygous and homozygous recessive.
d. homozygous dominant and heterozygous.
e. both homozygous dominant.
A
You might also like to view...
What is the difference between food poisoning and food infection? Are antibiotics useful in either of them?
What will be an ideal response?
Diploid human cells contain 22 homologous chromosomes and a pair of ________
Fill in the blank with correct word.
In cats, the gene for fur color is X-linked and there are 2 alleles, orange and black. The tortoiseshell pattern of black and orange patches is created due to X-inactivation in a heterozygote. A litter of kittens is born with 2 tortoiseshell females and 2 orange males. Of the choices below, which could be the phenotypes of their parents?
a) The mother is orange and the father is tortoiseshell. b) Both the mother and father are black. c) The mother is orange and the father is black. d) The mother is black and the father is orange.
According to Indra Vasil, biotech crops are safe and well tested. Which of the following statements does he use to support his claims?
a. Biotech crops are linked to occasional environmental damage. b. Biotech crops have never caused illness in humans or animals. c. More than 1 million humans consumed biotech food between 1996 and 2006. d. The growth rate of biotech crop farming has declined in recent years.