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inna [77]
3 years ago
5

What was the impact Gregor Mendel had on the study of inheritance?

Biology
1 answer:
Ne4ueva [31]3 years ago
8 0
Gregor Mendel, through his work on pea plants, discovered the fundamental laws of inheritance. He deduced that genes come in pairs and are inherited as distinct units, one from each parent. Mendel tracked the segregation of parental genes and their appearance in the offspring as dominant or recessive traits. He recognized the mathematical patterns of inheritance from one generation to the next. Mendel's Laws of Heredity are usually stated as:

1) The Law of Segregation: Each inherited trait is defined by a gene pair. Parental genes are randomly separated to the sex cells so that sex cells contain only one gene of the pair. Offspring therefore inherit one genetic allele from each parent when sex cells unite in fertilization.

2) The Law of Independent Assortment: Genes for different traits are sorted separately from one another so that the inheritance of one trait is not dependent on the inheritance of another.

3) The Law of Dominance: An organism with alternate forms of a gene will express the form that is dominant.

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Olenka [21]
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6 0
3 years ago
Phases of meiosis on the lines provided, identify the stage of meiosis i or meiosis ii in which the event described occurs. 9. e
Natalka [10]
Meiosis I
Prophase I - homologous chromosomes form a tetrad, where they begin cross-over through the process of synapses.
Metaphase - homologous chromosomes then align along the metaphase plate.
Anaphase I - spindles then separate the homologous chromoses, pulling them to opposite poles of the cell
Telephase I - the cell creates a cleavage burrow inwhich the cell divides into two new cells with 46 chromosomes in the process of cytokinesis

Meiosis II
The same as mitosis
Prophase II - Nuclear envelope disintegrates, Sister chromatids migrate towards the metaphase plate.
Metaphase II - Sister chromatids align along the plate by their centromere.
Anaphase II- spindles pull the chromatin to opposites poles
Telephase II- cleavage burrow forms and cells seperate through cytokinesis

end result
4 haploid gametes are formed
7 0
4 years ago
What is the correct formula for population growth? A. D+B-I-E B. E+D-B-I C. B+I-D-E D. I+E-B-D
solniwko [45]

Answer:

C.) B+I-D-E

Explanation:

The correct formula for population growth is the individuals added to the population via birth or immigration, minus the individuals removed from the population via death or emmigration. Therefore the answer is (B+I)-(D+E), or B+I-D-E

3 0
4 years ago
True or false: when we say "left" we are talking about the doctor's point of view when looking at the heart
pav-90 [236]

Answer:

I think the answer might be false. Im not 10% sure. Good luck though!

Explanation:

5 0
3 years ago
What medications can be used to control sickle cell?
Hatshy [7]

Answer:

No

Explanation:

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4 0
4 years ago
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