Show:
Not that kind of jeans!
A second pair of genes!
Oh meiosis!
Dominant?
Or maybe not
What will they inherit?
100
The chance that an event will occur is _____.
What is probability?
100
The genetic makeup of an organism is _____.
What is genotype?
100
_____ are produced by the process of meiosis.
What are gametes?
100
The trait that will always be expressed if at least one is present is called _____.
What is dominant? (AA or Aa)
100
A striped fruit fly is crossed with a non-striped fruit fly. N=non-striped is dominant. n=striped is recessive. The genotype of the striped parent is _____.
What is nn?
200
The physical makeup of an organism is _____.
What is phenotype?
200
The alleles in a genotype are the same is called _____.
What is homozygous? (or purebred)
200
Mitosis results in two cells, whereas meiosis results in _____.
What are four cells?
200
The trait that can only be expressed if both alleles are "weaker" is called _____.
What is recessive? (aa)
200
A striped fruit fly is crossed with a non-striped fruit fly. All 100 offspring are non-striped. N = non-striped is dominant. n = striped is recessive. The genotype of the non-striped parent is _____.
What is NN?
300
The alleles in a genotype are different is called _____.
What is heterozygous? (or hybrid)
300
The human body cell contains ____ chromosomes.
What is 46 chromosomes (23 homologous pairs)
300
Unlike mitosis, meiosis result in the formation of ____.
What are genetically different cells?
300
If a heterozygous individual has a phenotype that is intermediate between both types of homozygous individuals, the two alleles show _____.
What is incomplete dominance?
300
A child has a genetic disease caused by a single gene. Neither parent has the disease. The allele that causes the genetic disease is _____.
What is recessive?
400
Another term that means homozygous is _____.
What is purebred?
400
In a heterozygous individual, the _____ allele determines the phenotype.
What is dominant?
400
When a haploid sperm fertilized a haploid egg, they produce a _____ zygote.
What is diploid?
400
A cross of a black chicken with a white chicken produces all speckled, black and white feathered offspring. This type of inheritance is known as _____.
What is codominance?
400
A mother has type O blood and her husband has type AB blood. What blood types can their children have?
What is type A and type B blood?
500
If an allele does not affect the phenotype of a heterozygous individual, the allele is _____.
What is recessive?
500
A daughter inherits _____. a. more genes from her mother b. more genes from her father c. one copy of each gene from her mother and one copy from her father
What is (c) one copy of each gene from her mother and one copy from her father?
500
Differences between mitosis and meiosis include _____. (Give at least 2)
What is ... 1. Mitosis occurs in body cells, meiosis occurs in the gametes only. 2. Mitosis produces a diploid number of chromosomes per cell, meiosis produces a haploid number of chromosomes per cell. 3. Mitosis results in 2 new genetically identical cells, meiosis results in 4 new genetically different cells. 4. There are 4 stages in mitosis, there are 8 stages in meiosis.
500
Variation in human skin color is an example of _____.
What is polygenic inheritance?
500
A man who is heterozygous for the albino allele is married to a woman who is homozygous for normal skin color (Aa x AA). What is the probability of having an albino child?
What is 0% probability?