Syllabus | Notes | Practice Tests

BIOLOGY



Ch 6 - Genetics & Inheritance
1. F1 is the ___________________ generation.
2. Mendel's model for determining traits in offspring is the ___________________.
3. ___________________ transmit information about traits from parents to their offspring.
4. In Mendel's theory, an offspring has ___________________ factors for each trait.
5. The different forms of genes are called ___________________.
6. ___________________ is when an organism has 2 identical alleles for a particular trait. 
7. Your ___________________ is the physical appearance created by an organism's alleles.
8. If you have 1 dominant allele and 1 recessive allele, then you display the ___________________ trait.
9. ___________________ is cell reproduction that produces haploid gametes (sex cells).
10.  In human sex chromosomes, the male chromosome is represented by ___________________.
11.  If a fetus has XX for their sex chromosomes, they will develop into a ___________________.
12. A normal human body cell has the ___________________ number of chromosomes, 46.
13. A ___________________ is a change in a gene.
14. The genetic disorder ___________________ is a condition where the blood cannot clot properly.
15. The genetic disorder ___________________ is a a birth defect caused by an extra 21st chromosome.
16. A record covering several generations showing how a trait is inherited is called a _________________.
17. A trait whose gene is on the X chromosome is known as a ___________________ trait.

18.19.20. A heterozygous brown-eyed person and a homozygous blue-eyed person have offspring.  What are the percentage probabilities of eye color for their offspring.  Complete the Punnett square and fill in the probabilities in a table.