Objective Questions

Which of the following is NOT listed as an environmental factor (teratogen)?

What is a potential consequence of maternal rubella infection during pregnancy?

Which defect is specifically mentioned as an example of a neural tube defect ca…

The causes of some congenital anomalies are attributed to:

Which statement about teratogens is accurate?

__________ fossil is formed when minerals replace the remains of the organism &…

Examples of fission include single-celled organisms like amoeba, paramecium, an…

Alleles are also called __________.

Alleles are alternate forms of a __________.

Sex differences are often due to chromosomal differences: __________ and struct…

Alleles occupy identical loci on __________ chromosomes.

Alleles control the contrasting characters of the same __________.

Alleles usually exist in two forms: __________ and recessive.

ATP formation by glycolysis

In Kreb's cycle, a six carbon compound is formed by the combination of Acetyl C…

In Kreb's cycle, the hydrogen of malate is accepted by

Kingdom Monera possesses the following characteristics except

Vigna unguiculata x Vigna rotundata is an example of .......... name

Select the odd one out.

Four haploid cells each genetically distinct from the parent cell that gave ris…

Choose the odd one out.

For the height trait, the phenotype can be Tall or __________.

In a __________ condition, both members of an allelic pair are identical (e.g.,…

A __________ condition has one dominant and one recessive allele (e.g., Tt).

__________ is the inability of an allele to manifest in a heterozygous conditio…

We are currently in the _________ era

How many carbon atoms are in a molecule of RuBP

__________ is the process of crossing two genetically different individuals.

The progeny of hybridization is called a __________.

A __________ is heterozygous for only ONE pair of alleles.

A __________ cross involves parents differing in ONE pair of alleles.

A __________ cross involves parents differing in TWO pairs of alleles.

An example dihybrid cross is between a yellow round seed (YYRR) and a _________…

The presence of a substance which does not cause harm to the environment is cal…

During nutrient cycling the nutrients/elements are circulated in isolation.

The ecosystem contains the organisms, their habitat and their environment inter…

The F in F1 stands for __________, meaning son or offspring.

The __________ generation is the first progeny from a hybridization.

The __________ generation is the progeny from crossing F1 hybrids.

A __________ cross interchanges the sexes of the parents in two reverse crosses.

For autosomal traits, reciprocal crosses yield the __________ result.

For traits on sex chromosomes, reciprocal crosses yield __________ results.

A __________ is the cross of an F1 offspring with one of its parents.

A type of feeding where organisms have alternative sources of food is called

When immigration + natality is greater than emigration + mortality; the populat…

How long is an average menstrual cycle?

Patau's syndrome is Trisomy 21

Turner's syndrome is XO

At which stage of meiosis are homologous chromosomes separated, affecting genet…

What produces egg cells?

What is the neck of the uterus called?

If F1 is crossed with the recessive parent, individuals with both phenotypes ap…

A __________ cross is a backcross where F1 is crossed with its double recessive…

The two kinds of chromosomes are __________ and sex chromosomes.

The menstrual cycle is triggered each month by

The menstrual cycle is a result of the female body preparing

Female sex hormones are produced by the

A test cross is used to determine if an individual with a dominant trait is hom…

The basic unit of genetic information is the __________.

The complete collection of genetic information is the __________.

__________ are the storage units of genes.

Genetic instructions are contained in the nucleic acid __________.

Which of the following is a post-fertilization event in mammals?

Which phase of the menstrual cycle is post-ovulatory?

A hollow muscular organ that receives and holds a fertilized ovum.

What would be the result if synapsis and crossing over failed during meiosis I?

Genes are segments of __________ that code for a specific protein.

Chromosomes contain hundreds to thousands of __________.

Alleles are alternative forms of a __________.

A gene with at least two alleles is said to be __________.

When a gene exists in three or more forms, it is a __________ allele condition.

Every normal human cell contains __________ pairs of chromosomes.

The outer lips at the opening to the vagina.

A __________ is any gene-determined characteristic.

Some traits are caused by __________ genes.

Mendel conducted his experiments on the garden __________.

He chose peas because they had distinct varieties and produced offspring ______…

Mendel proposed that heredity followed basic __________ laws.

The seven traits Mendel studied included stem length, flower position, pod colo…

For the stem length trait, the dominant variant was __________ and the recessiv…

For the seed shape trait, the dominant variant was __________ and the recessive…

The Law of __________ states that alleles separate during gamete formation.

Lining of the uterus.

The Law of __________ states that genes for different traits segregate independ…

The Law of __________ states that some alleles are dominant and others are rece…

Mendel's Law of Segregation provided an alternative to the theory of __________…

Which best defines cytokinesis in relation to mitosis?

In plant cells, what is the function of the cell plate during cytokinesis?

Which cells are specifically targeted by meiosis, and what is their role?

What configuration characterizes metaphase I of meiosis?

What role do mitochondrial ribosomes play?

A human somatic cell has 46 chromosomes. What ploidy is this, and how does it r…

Klinefelter's syndrome is XXY

Which reproductive strategy is most likely to evolve in animals with high preda…

What is the role of the amnion in embryonic development?

In what type of animals is parthenogenesis commonly observed?

In sequential hermaphroditism, which pattern describes individuals that begin l…

Which process ensures that only the most viable sperm reach the egg during inte…

Which hormone maintains the uterine lining during the early stages of pregnancy?

Which fetal structure becomes the umbilical cord in placental mammals?