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8th Grade Heredity 3
Question | Answer |
---|---|
The process by which cells divide is called __________. | mitosis |
The two copies of a gene inherited from each parent in animal cells are called __________. | alleles |
An inherited trait __________. | can be determined by one or more genes |
Asexual organisms differ from sexual organisms in that asexual organisms __________. | produce a new organism from a single parent |
It might be difficult to determine the inherited eye color of a baby based on her mother and father's eye color because __________. | eye color is determined by several genes |
The genetic material within the nucleus is found in strands called __________. | chromatin |
How many chromosomes does the human genome contain? | 46 |
During __________ reproduction, an identical copy of the parent is produced. | asexual |
The gene for eye color is located in which organelle of the cell? | the nucleus |
Which characteristic of wolves is MOST likely learned? | social behavior |
A mouse is placed at one end of a cardboard maze that has a piece of cheese at the other end. The mouse smells the cheese and learns how to find it. The mouse is using an | inherited trait to gain an acquired trait. |
A plant that has traits identical to the parent plant provides evidence that the plant | resulted from asexual reproduction. |
When an egg and sperm form an embryo, the offspring that is formed will have genetic traits that are | passed on from two parents. |
Most organisms contain two alleles for each gene. Which statement is true about these alleles? | The alleles may or may not be identical to one another. |
The phenotype produced from a pair of alleles is determined by the ______________. | dominant allele |
During sexual reproduction, the offspring inherit their traits from ___________. | both parents |
Half of the traits inherited during sexual reproduction come from ____________. | the mother or the father |
Genetic mutation, which can lead to diversity between organisms, can be caused by __________. | environmental factors |
The genetic information in plant cells is contained in the _____________. | nucleus |