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Biology-5-Nollen

Genetic Diversity/Reproduction

QuestionAnswer
Animals, , plants, fungi, and bacteria participate in ______________ reproduction. Sexual
Name an advantage of sexual reproduction genetic diversity
Name a disadvantage of sexual reproduction there is not as many offspring
Asexual reproduction means... without sex to produce offspring
_________ regulates the production of protein. DNA
What are chromosomes made from? DNA, Chromatin aka uncoiled DNA
Each chromosome is made up of _____ identical chromatids. 2
Joined strands of identical duplicated genetic material chromatids
At what point do chromatids separate? During mitosis in anaphase
How many chromosomes are in the human body? 46
How many pairs of chromosomes are in the human body? 23 pairs
Every cell in the human body is a _____________ cell except sperm and egg cells. somatic
Homologous chromosomes are similar in size shape, and genetic content but are not _________________.
How many homologous chromosomes are inherited form each parent? 1 from each
Somatic cells are genetically... identical
How many sets of chromosomes does a diploid cell have? 2 sets that are homologous pairs
what is the expression for a diploid cell? (2n)
Gametes is a genetic... variation
How many sets of chromosomes does a haploid cell have? 1 set, 23 total
When two haploid gametes join to form a zygote, ________________ is occurring, and a fertilized egg is produced. fertilization
How many pairs of sex chromosomes are in a human body? 1 pair
What are the sex chromosomes? X and Y
True or False: The mother determines the gender of the offspring by the X chromosome given. False. The father gives a Y chromosome, which automatically makes the offspring male.
Is the following offspring a male or female?... XX Female
Is the following offspring a male or female?... XY Male
Sperm contain which of the following... *only X *only Y *both X and Y Both X and Y
The ovum can only produce the ___ chromosome. X
in mitosis, there is no pairing of... Homologous chromosomes
In Meiosis, homologus chromosomes are paired to form...? Tetrads
Created by: laurens20l
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