In a P1 cross involving incomplete dominance, ____
a. the dominant phenotype is expressed in the F1
b. the recessive phenotype is expressed in the F1
c. Mendelian inheritance does not apply
d. the phenotypic ratio and genotypic ratio in the F1 are identical
e. heterozygotes will express the parental phenotype
d
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After a sperm penetrates the oocyte, the ovum's nuclear membrane disassembles and the two sets of chromosomes approach each other. At this point, the sets of chromosomes are called
A) mononuclei. B) pronuclei. C) gametocytes. D) gametes.
What is the most common source of saturated fats?
a. fish b. animal products c. deaf-leaf vegetables c. cereal grains
When the solute concentration of solution A is lower than the solute concentration of solution B, solution A is considered
A. hypertonic. B. hypotonic. C. isotonic.
In cats, black fur color is caused by an X-linked allele; the other allele at this locus causes orange color. The heterozygote is tortoiseshell. What kinds of offspring would you expect from the cross of a black female and an orange male?
A) tortoiseshell females; tortoiseshell males B) black females; orange males C) tortoiseshell females; black males D) orange females; black males