Chapter 3, Section 3 Question Preview (ID: 7352)


The Cell And Inheritance. TEACHERS: click here for quick copy question ID numbers.

In 1903, ____________ examined reproductive cells and their formation.
a) Gregory Mendel
b) Walter Sutton
c) Galileo Galilei
d) Gene Simmons

Male reproductive cells are called ______ cells, while female reproductive cell are called ______ cells.
a) sperm; egg
b) egg; sperm
c) anther; ovary
d) ovary; anther

Reproductive cells have ______ the number of chromosomes as body cells.
a) three-fourths
b) the same
c) half
d) one-fourth

The Chromosome Theory of Inheritance is when-
a) genes are carried from parents to their offspring on chromosomes.
b) you need chromosomes in your hereditary cells.
c) parents give their chromosomes to their offspring.
d) genes are split in half and are given to each offspring.

The process where the reproductive cells divide 2 times to have 1/2 the number of chromosomes as the mother cell is-
a) Mitosis
b) Meiosis
c) Photosynthesis
d) Protein Synthesis

During meiosis, _____ cells form with half the number of chromosomes.
a) 4
b) 2
c) 6
d) 8

In order for a sex cell to have the full number of chromosomes, the following should happen-
a) an egg cell should pair with a sperm cell and then split in half.
b) 3/4 of the chrom. in an egg cell should pair with 1/4 of the chrom. in a sperm cell.
c) 1/2 of the chrom. in an egg cell should pair with 1/2 of the chrom. in a sperm cell.
d) None of these.

Human body cells contain _____ chromosomes.
a) 23
b) 46
c) 40
d) 21

Reproductive cells contain _____ chromosomes.
a) 23
b) 46
c) 11
d) 22

The body contains __________ genes.
a) 120,000
b) 46,000
c) 23,000
d) 60,000

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