Tunicates are ____ in the phylum ____

a. echinoderms; Echinodermata
b. freshwater fish; Chordata
c. urochordates; Chordata
d. urochordates; Echinodermata
e. echinoderms; Chordata


c

Biology & Microbiology

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A specific marker with a single peak indicates that the individual is ________ with respect to that particular STR marker

a. homozygous b. heterozygous

Biology & Microbiology

In humans, hair texture is an incompletely dominant trait. Curly is the dominant genotype, wavy is heterozygous, and

straight hair is recessive. What is the probable phenotypic ratio for a cross between a man with wavy hair and a woman with curly hair? a. All wavy hair b. 3/4 wavy hair; 1/4 straight hair c. 1/2 wavy hair; 1/2 curly hair d. All curly hair e. 1/4 curly hair; 1/2 wavy hair; 1/4 straight hair

Biology & Microbiology

The genetic disorder followed through the pedigree shown is

a. recessive and X-linked. b. recessive and autosomal. c. dominant and X-linked. d. dominant and autosomal.

Biology & Microbiology

Which action is unable to produce variation?

A. Crossing over B. Random alignment of chromosomes during meiosis C. Asexual reproduction D. Genetic recombination of alleles E. Sexual reproduction

Biology & Microbiology