U1P4 Reproduction Sexual and Asexual

An organism that has been reproduced by asexual means receives ______________ of its chromosomes from its one parent.

• 3

• 25%

• 50%

• 100%

In asexual reproduction, all of the offspring are:

• Physically Identical

• Genetically Identical

• Physically and Genetically Identical

• Not Identical

What is the big advantage of sexual reproduction?

• Can quickly grow the population

• Offspring are guaranteed to be successful in an unchanged environment.

• Only one parent is required to reproduce.

• Can adapt to changing environments

An organism that has been reproduced by sexual reproduction received ____________ of its chromosomes from the male parent.

• 4

• 25%

• 50%

• 100%

These are long strands of DNA in the nucleus that controls the traits of an organism.

• Gene

• Allele

• Chromosomes

If a cow has 60 chromosomes in a somatic cell how many chromosomes would be in a cow's sex cell?

• 60

• 120

• 30

• 90

What is the type of reproduction that only requires one parent?

• Asexual

• Sexual

Which type of reproduction results in diversity because the offspring are a combination of the parents and genetically different?

• Asexual

• Sexual

____________________ occurs when a male gamete (sperm) combines with a female gamete (egg).

• sporulation

• fertilization

• fission

• regeneration

How many parents are required for sexual reproduction?

• 0

• 1

• 2

• 3