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7Sci Chapter 15 Sec3
Heredity-Meiosis
Question | Answer |
---|---|
How does asexual reproduction relate to humans? | many body cells reproduce this way |
How are sex cells different from other human cells? | sex cells have half as many chromosomes |
What are homologous chromosomes? | chromosomes that carry the same set of genes |
Why do sex-linked disorders occur more often in males? | males have only one X chromosome |
What carries the genes that determine sex? | sex chromosomes |
What is the name for the way cells divide in asexual reproduction? | mitosis |
What diagram is used to trace a trait through generations of a family | pedigree |
What are offspring that are different from both parents produced by? | sexual reproduction |
What are genes located on? | chromosomes |
What is it called when cells are copied with half the number of chromosomes? | meiosis |
How many parent cells are needed in asexual reproduction? | one |
In humans, what are the sex chromosomes of females? | XX |
Whay are men more likely than women to have color blindness? | because men only have one X chromosome |
In humans, what are the sex chromosomes of males? | XY |
What is used to create bigger and better things? | selective breeding |
What is the process where the nucleus divides once? | mitosis |
What is made during meiosis? | sex cells |
What is an exact copy of a chromosome? | a chromatid |
How do chromosomes get ready for the cell to split? | line up at the center of cell |
How is probablity usually written? | fraction of percent |
What is the difference between the pollination in the first generation and the second generation? | The first one was selective breeding and the second one was natural. |