In giraffes, long necks (N) are dominant to short necks (n). What is the phenotype of Nn?

a) medium neck
b) short neck
c) long neck
d) all of the above


Ans: c) long neck

Biology & Microbiology

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In the image above, the substance indicated as "B" is a(n) ____

a. inhibitor b. regulatory molecule c. substrate d. coenzyme e. cofactor

Biology & Microbiology

Use the Hardy-Weinberg equations: p + q = 1 and p2 + 2pq + q2 = 1. If the dominant allele frequency is 0.8, what percentage of the population will be heterozygous?

A. 16% B. 4% C. 20% D. 32%

Biology & Microbiology

Leaflike outgrowths at the base of the leaf stalk are referred to as:

a. axils. b. blades. c. lamina. d. petioles. e. stipules.

Biology & Microbiology

What are the four distinct anatomical components of the mammalian urinary system?

What will be an ideal response?

Biology & Microbiology