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23 terms

Cell Reproduction and Heredity

Mrs. C Grantham Batesville Junior High 7th Grade Science
STUDY
PLAY
alleles
A Punnett square shows you all the ways in which ____ can combine.
hybrids
Mendel called plants that received different alleles for a trait from each parent ____.
dominant
In a Punnett square, a capital letter stands for a ____ allele.
tt
Write a representation of a homozygous recessive genotype?
Gregor Mendel
The father of genetics is an Austrian monk named __________________.
enzyme
In DNA copying, the bonds between the nitrogen bases are broken by a(n) ____.
interphase
Most of the life of any cell is spent in a period of growth called ____.
DNA
The chromosomes in the nucleus of a cell contain a code known as ____.
adenine, cytosine, guanine, and thymine
DNA contains the nitrogen bases ____.
46
Each human skin cell has ____ chromosomes.
budding
Hydra reproduce by ____.
regeneration
In ____ whole new organisms grow from each piece of the parent or body parts regrow.
fission
Bacterial cells reproduce asexually by _____.
asexual
Budding and regeneration are two types of _____ reproduction.
nucleus cell
Mitosis is defined as division of a _____.
uracil
RNA structure differs from DNA in that it contains the nitrogen base _____ in place of thymine.
skin and onion
Lila wanted to observe the process of mitosis. She could see this in what kind of cell types.
prophase, metaphase, anaphase, telophase
List the stages of mitosis in the correct order.
budding, fission, and regeneration
What are some examples of asexual reproduction?
mitosis
Skin cells in your body divide by the process of__________.
heredity
The process of an organism passing on its traits to its offspring is called ______________.
the red flower allele is dominant
Robert crossbreeds two plants, one with red flowers and one with white flowers. Weeks later the offspring plants produce red
alleles
In a Punnett square, the R and the r represent ___.