Mary Brunson

Numerade Educator

Teacher

Biography

I teach all levels of biology, including AP Biology. I have been teaching for 16 years and I love what I do.

Education

Mary has not yet added their education credentials.

Educator Statistics

Numerade tutor for 4 years

20 Students Helped

Topics Covered

Discover the Power of the Cell: Unleash Your Potential with Our Products

The Importance of Understanding the Cell Cycle for Cellular Reproduction

Discover the Fascinating World of Vertebrates: A Comprehensive Guide

Mary's Textbook Answer Videos

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Mary's Quick Ask Videos

Miller and Urey's experiment demonstrated:
A. that RNA is an enzyme.
B. that protobionts can reproduce.
C. that amino acids are polymers.
D. abiotic synthesis of organic molecules.

A given autosomal locus has three possible alleles (A1, A2, and
A3). Assuming that the numbers of individuals with the six possible
genotypes are as follows, what would be the frequency of the A1
allele in the population? A1A1 = 30 A1A2 = 27 A2A2 = 12 A1A3 = 17
A2A3 = 10 A3A3 = 4 What would be the frequency of the A3A3
genotype? Assume the population is under Hardy-Weinberg
equilibrium.

With two pairs of genes involved (Z/z and M/m), a test cross (zzmm) with an organism of unknown genotype indicated that the gametes produced were in the following proportions:
Zm, 38%
zM, 37%
zm, 12%
ZM, 13%
How far apart are the two gene loci on the chromosome?

all of the following statements correctly describe some part of
natural selection, except
a. variation in a heritable that is required for natural
selection to take place
b. typically, more offspring are produced that can survive
c. traits that enhance survival and reproduced become more
prevalent in future generations
d. fitness of an organism is directly equivalent to its survival
ability

Compare spermatogenesis and oogenesis by answering each of the following questions:
a) Where does each process occur?
b) When does mitosis occur?
c) When does meiosis begin?
d) When is meiosis completed?
e) How many gametes are formed by each primary cell?

when a hypothesis is supported by a growing body of data and survives rigorous scrutiny , it is known in science as a/an?

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