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Chromosomes and Sex Determination

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Questions and Answers

What are the two chromosomes that decide whether you are male or female?

XY or XX

What combination of chromosomes allows female characteristics to develop?

What causes male characteristics?

Y chromosome

What is the probability of a sperm cell getting an X-chromosome during meiosis?

<p>50%</p> Signup and view all the answers

What are genetic diagrams used for?

<p>To show all the possible genetic outcomes when crossing different genes or chromosomes.</p> Signup and view all the answers

Study Notes

Sex Determination

Sex chromosomes are X and Y, which determine whether an individual is male or female
XX combination of chromosomes leads to the development of female characteristics
XY combination of chromosomes leads to the development of male characteristics

Chromosome Inheritance

During meiosis, a sperm cell has a 50% probability of receiving an X-chromosome

Genetic Diagrams

Genetic diagrams are used to illustrate the inheritance of traits and predict the probability of certain characteristics being passed down from one generation to the next

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Description

Learn about how chromosomes determine whether an individual is male or female. Explore the role of X and Y chromosomes in controlling characteristics and influencing sex.