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BASIC GENETICS

CARMALT - Life Science

QuestionAnswer
Monk who studied genetics GREGOR MENDEL
Plant Mendel cross-pollinated and studied PEA
When plants self-pollinated, Mendel saw offspring of tall plants were tall and offspring of short plants were sort. He called these offspring ____. PURE
When Mendel cross-pollinated pure tall and pure short plants, all the offspring were ___. TALL
Mendel called cross-pollinated plants _____. HYBRIDS
Hybrid pea plants had: A. both tall parent plants B. both short parent plants C. both tall and short parent plants BOTH TALL AND SHORT PARENT PLANTS
In hybrid plants, what traits are visible? DOMINANT
In hybrid plants, what traits are hidden? RECESSIVE
What is the 4-square diagram is used to show how traits are passed to the next generation? PUNNETT SQUARE
The uppercase letter, such as used by "T" and "t" for tallness, represents _____. DOMINANT GENE
The lowercase letter, such as used by "T" and "t" for tallness represents _____. RECESSIVE
In the Punnett Square, a parent with two dominant genes or "TT" and a parent with two recessive genes or "tt" will have how many hybrid offsping? FOUR (or all)
In the Punnett Square, a parent with two dominant genes or "TT" and a hybrid parent with one dominant and one recessive gene or "Tt" will have how many hybrid or "Tt" offspring? TWO
In the Punnett Square, a parent with two dominant genes or "TT" and a hybrid parent with one dominant and one recessive gene or "Tt" will have how many dominant or "TT" offspring? NONE
What eye color is dominant in human population? BROWN
What hair color is dominant in human population: dark or light DARK
What hair type is dominant in human population: curly or straight? CURLY
Are dimples a dominant trait? NO
Which tongue type is dominant in human population: roller or non-roller? ROLLER
Which ear lobes are dominant in human population: attached or unattached? UNATTACHED
Chromosomes are inside the _____ of a cell. NUCLEUS
Chromosomes are structures that contain genetic material called _____. DNA
An organism's physical traits are stored in the _____. DNA
Each chromosome contains pairs of _____. GENES
A segment of DNA that specifies a specific trait in an organism is a _____. GENE
How many pairs of chromosomes do humans have? 23
How many pairs of chromosomes are identical in humans? 22
One pair of chromosomes in humans are different because this pair determines what? GENDER OR SEX
In gender-determining chromosomes, males have: A. both XX chromosomes B. both YY chromosomes C. one X and one Y chromosome C. ONE "X" AND ONE "Y" CHROMOSOME
In gender-determining chromosomes, females have: A. both XX chromosomes B. both YY chromosomes C. one X and one Y chromosome A. BOTH "XX" CHROMOSOMES
Which chromosome does the offspring need to get from the father to be a boy? Y CHROMOSOME
Which chromosome does the offspring need to get from the fatehr to be a girl? X CHROMOSOME
Each version of the gene is called an _____. ALLELE
Dominant alleles are represented by: A. lower case letters B. upper case letters C. both upper and lower case letters UPPER CASE LETTERS
Recessive alleles are represented by: A. lower case letters B. upper case letters C. both upper and lower case letters LOWER CASE LETTERS
When the two alleles are alike, such as two dominant or two recessive, the trait is called _____. PURE
When the pair of alleles are different, such as one dominant and one recessive, the trait is called _____. HYBIRD
Created by: EM4CARMALT
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